| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Cc: Jerry Huang <Chang-Ming.Huang@freescale.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'make htmldocs' produces errors due to missing a supporting media
file, so add 'xmldoclinks' to the htmldocs dependencies so that the
needed supporting file will be present.
Documentation/DocBook/media.xml:4: warning: failed to load external entity "Documentation/DocBook/media-entities.tmpl"
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits)
V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register
V4L/DVB: dvb: siano: free spinlock before schedule()
V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin()
V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin()
V4L/DVB: Report supported QAM modes on bt8xx
V4L/DVB: media: ir-keytable: null dereference in debug code
V4L/DVB: ivtv: convert to the new control framework
V4L/DVB: ivtv: convert gpio subdev to new control framework
V4L/DVB: wm8739: convert to the new control framework
V4L/DVB: cs53l32a: convert to new control framework
V4L/DVB: wm8775: convert to the new control framework
V4L/DVB: cx2341x: convert to the control framework
V4L/DVB: cx25840: convert to the new control framework
V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config
V4L/DVB: saa717x: convert to the new control framework
V4L/DVB: msp3400: convert to the new control framework
V4L/DVB: saa7115: convert to the new control framework
V4L/DVB: v4l2: hook up the new control framework into the core framework
V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API
V4L/DVB: v4l2-ctrls: Whitespace cleanups
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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This driver exports a video device node per each camera interface/
video postprocessor (FIMC) device contained in Samsung S5P SoC series.
The driver is based on v4l2-mem2mem framework.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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LIRC: add new IOCTL that enables learning mode (wide band receiver)
Still missing features: carrier report & timeout reports.
Will need to pack these into ir_raw_event
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (148 commits)
USB: serial: fix stalled writes
USB: remove fake "address-of" expressions
USB: fix thread-unsafe anchor utiliy routines
USB: usbtest: support test device with only one iso-in or iso-out endpoint
USB: usbtest: avoid to free coherent buffer in atomic context
USB: xhci: Set DMA mask for host.
USB: xhci: Don't flush doorbell writes.
USB: xhci: Reduce reads and writes of interrupter registers.
USB: xhci: Make xhci_set_hc_event_deq() static.
USB: xhci: Minimize HW event ring dequeue pointer writes.
USB: xhci: Make xhci_handle_event() static.
USB: xhci: Remove unnecessary reads of IRQ_PENDING register.
USB: xhci: Performance - move xhci_work() into xhci_irq()
USB: xhci: Performance - move interrupt handlers into xhci-ring.c
USB: xhci: Performance - move functions that find ep ring.
USB:: fix linux/usb.h kernel-doc warnings
USB: add USB serial ssu100 driver
USB: usb-storage: implement autosuspend
USB: ehci: fix remove of ehci debugfs dir
USB: Add USB 2.0 to ssb ohci driver
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MS Windows mounts removable storage in "Removal optimized mode" by
default. All the writes to the media are synchronous which is achieved
by setting FUA (Force Unit Access) bit in SCSI WRITE(10,12) commands.
This prevents I/O requests aggregation in block layer dramatically
decreasing performance.
This patch brings an option to accept or ignore mentioned bit
a) via specifying module parameter "nofua", or
b) through sysfs entry
/sys/devices/platform/_UDC_/gadget/gadget-lunX/nofua
(_UDC_ is the name of the USB Device Controller driver)
Patch is based on the work that was done by Denis Karpov for Maemo 5
platform.
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Denis Karpov <ext-denis.2.karpov@nokia.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A short documentation of the g_multi driver along with INF
files for Windows XP SP3 are provided.
Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Updated the INF file for g_serial gadget. It should work with
most recent Windows systems now.
Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Updated the INF file for the g_ether gadget. It should work with most
recent Windows systems now.
Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Documentation/usb/linux.inf:66: ERROR: trailing whitespace
Documentation/usb/linux.inf:67: ERROR: trailing whitespace
Documentation/usb/linux.inf:98: ERROR: trailing whitespace
Documentation/usb/linux.inf:99: ERROR: trailing whitespace
Documentation/usb/linux.inf:115: ERROR: trailing whitespace
Documentation/usb/linux.inf:116: ERROR: trailing whitespace
Documentation/usb/linux.inf:120: ERROR: trailing whitespace
Documentation/usb/linux.inf:121: ERROR: trailing whitespace
Documentation/usb/linux.inf:122: ERROR: trailing whitespace
Documentation/usb/linux.inf:123: ERROR: trailing whitespace
Documentation/usb/linux.inf:144: ERROR: trailing whitespace
Documentation/usb/linux.inf:145: ERROR: trailing whitespace
Documentation/usb/linux.inf:146: ERROR: trailing whitespace
Documentation/usb/linux.inf:147: ERROR: trailing whitespace
Documentation/usb/linux.inf:158: ERROR: trailing whitespace
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Documentation/usb/hotplug.txt:13: ERROR: trailing whitespace
Documentation/usb/hotplug.txt:87: ERROR: trailing whitespace
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Documentation/usb/ehci.txt:12: ERROR: trailing whitespace
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Provide MMIO32 support in 8250_early (aka earlycon)
[randy.dunlap@oracle.com: fix printk format warnings]
[akpm@linux-foundation.org: fix printk args some more]
Signed-off-by: Samium Gromoff <_deepfire@feelingofgreen.ru>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* 'for-linus' of git://git.infradead.org/users/eparis/notify: (132 commits)
fanotify: use both marks when possible
fsnotify: pass both the vfsmount mark and inode mark
fsnotify: walk the inode and vfsmount lists simultaneously
fsnotify: rework ignored mark flushing
fsnotify: remove global fsnotify groups lists
fsnotify: remove group->mask
fsnotify: remove the global masks
fsnotify: cleanup should_send_event
fanotify: use the mark in handler functions
audit: use the mark in handler functions
dnotify: use the mark in handler functions
inotify: use the mark in handler functions
fsnotify: send fsnotify_mark to groups in event handling functions
fsnotify: Exchange list heads instead of moving elements
fsnotify: srcu to protect read side of inode and vfsmount locks
fsnotify: use an explicit flag to indicate fsnotify_destroy_mark has been called
fsnotify: use _rcu functions for mark list traversal
fsnotify: place marks on object in order of group memory address
vfs/fsnotify: fsnotify_close can delay the final work in fput
fsnotify: store struct file not struct path
...
Fix up trivial delete/modify conflict in fs/notify/inotify/inotify.c.
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nothing uses inotify in the kernel, drop it!
Signed-off-by: Eric Paris <eparis@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits)
no need for list_for_each_entry_safe()/resetting with superblock list
Fix sget() race with failing mount
vfs: don't hold s_umount over close_bdev_exclusive() call
sysv: do not mark superblock dirty on remount
sysv: do not mark superblock dirty on mount
btrfs: remove junk sb_dirt change
BFS: clean up the superblock usage
AFFS: wait for sb synchronization when needed
AFFS: clean up dirty flag usage
cifs: truncate fallout
mbcache: fix shrinker function return value
mbcache: Remove unused features
add f_flags to struct statfs(64)
pass a struct path to vfs_statfs
update VFS documentation for method changes.
All filesystems that need invalidate_inode_buffers() are doing that explicitly
convert remaining ->clear_inode() to ->evict_inode()
Make ->drop_inode() just return whether inode needs to be dropped
fs/inode.c:clear_inode() is gone
fs/inode.c:evict() doesn't care about delete vs. non-delete paths now
...
Fix up trivial conflicts in fs/nilfs2/super.c
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (59 commits)
igbvf.txt: Add igbvf Documentation
igb.txt: Add igb documentation
e100/e1000*/igb*/ixgb*: Add missing read memory barrier
ixgbe: fix build error with FCOE_CONFIG without DCB_CONFIG
netxen: protect tx timeout recovery by rtnl lock
isdn: gigaset: use after free
isdn: gigaset: add missing unlock
solos-pci: Fix race condition in tasklet RX handling
pkt_sched: Fix sch_sfq vs tcf_bind_filter oops
net: disable preemption before call smp_processor_id()
tcp: no md5sig option size check bug
iwlwifi: fix locking assertions
iwlwifi: fix TX tracer
isdn: fix information leak
net: Fix napi_gro_frags vs netpoll path
usbnet: remove noisy and hardly useful printk
rtl8180: avoid potential NULL deref in rtl8180_beacon_work
ath9k: Remove myself from the MAINTAINERS list
libertas: scan before assocation if no BSSID was given
libertas: fix association with some APs by using extended rates
...
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Adds documentation for the igbvf (igb virtual function driver).
v2:
- Removed trailing white space
- Removed Ethtool version info
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add documentation for the igb networking driver.
v2:
- Removed trailing white space
- Removed Ethtool version info
- Removed LRO kernel version info
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (32 commits)
Blackfin: gpio: add a debounce stub
Blackfin: update defconfigs
Blackfin: remove CONFIG_MEM_GENERIC_BOARD
Blackfin: dpmc: punt unnecessary RTC_ISTAT clearing
Blackfin: unify rotary encoder bitmasks
Blackfin: unify SDH/RSI bitmasks
Blackfin: BF54x: tweak DMAC MMR naming to match other ports
Blackfin: TWI: clean up the MMR names
Blackfin: add EVT_OVERRIDE/IPRIO core MMR helpers
Blackfin: add support for dynamic ftrace
Blackfin: add support for LZO compressed kernels
Blackfin: portmux: fix peripheral map overflow when requesting pins
Blackfin: document SPI CS limitations with CPHA=0
Blackfin: remove useless and outdated documentation
Blackfin: BF51x/BF52x: support GPIO Hysteresis/Schmitt Trigger options
Blackfin: gpio/portmux: clean up whitespace corruption
Blackfin: make sure mmiowb inserts a write barrier with SSYNC
Blackfin: fix DMA/cache bug when resuming from suspend to RAM
Blackfin: BF51x: fix handling of PH8 (the "internal" SPI0SEL4 pin)
Blackfin: add a GPIO_DEFAULT_BOOT_SPI_CS
...
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With the Blackfin on-chip SPI peripheral, there is some logic tied to
the CPHA bit whether the Slave Select Line is controlled by hardware
(CPHA=0) or controlled by software (CPHA=1). However, the Linux SPI
bus driver assumes that the Slave Select being asserted during the
entire SPI transfer. So explain these small details for people who
need certain SPI modes with standard CS behavior.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The filesystem and cache files duplicate existing & better documents, and
these contain outdated information. So punt them.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Allow device probing to recognise the Fintek F71808E.
Sysfs interface:
* Fan/pwm control is the same as for F71889FG
* Temperature and voltage sensor handling is largely the same as for
the F71889FG
- Has one temperature sensor less (doesn't have temp3)
- Misses one voltage sensor (doesn't have V6, thus in6_input refers to
what in7_input refers for F71889FG)
For the purpose of the sysfs interface fxxxx_in_temp_attr[] is split up
such that it can largely be reused.
Signed-off-by: Giel van Schijndel <me@mortis.eu>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update coretemp supported CPU TjMax lists and some cleanup work.
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Cc: Huaxu Wan <huaxu.wan@intel.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This driver adds support for the monitoring features of the Summit
Microelectronics SMM665 Six-Channel Active DC Output Controller/Monitor.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This driver will report the heading values in degrees to the sysfs
interface. The values returned are headings . e.g. 245.6
Alan: Cleanups requested now all folded in and a sysfs description to keep
Andrew happy. The sysfs description now resembles hwmon.
Signed-off-by: Kalhan Trisal <kalhan.trisal@intel.com>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This driver adds support for the BMP085 digital pressure sensor from Bosch
Sensortec. It exposes a sysfs api to userspace where pressure and
temperature measurement results can be read from the pressure0_input and
temp0_input file. The chip is able to calculate the average of up to
eight samples to increase the accuracy. This feature can be controlled by
writing to the oversampling file.
The BMP085 digital pressure sensor can measure ambient air pressure and
temperature. Both values can be obtained from sysfs files. The pressure
is measured by reading from pressure0_input. Valid values range from
30000 to 110000 pascal with a resolution of 1 pascal (=0.01 millibar).
temp0_input holds the current temperature in degree celsius, multiplied by
10. This results in a resolution of a tenth degree celsius. Values range
from -400 to 850.
To increase the accuracy, this chip can calculate the average of 1, 2, 4
or 8 samples. This behavior is controlled through the oversampling sysfs
file. Two to the power of the value written to that file specifies how
many samples will be used. Valid values: 0..3.
[akpm@linux-foundation.org: fix typo]
[shubhrajyoti@ti.com: optimize the wait time for the pressure sensor, definition of long is arch dependent so make it u32]
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Christoph Mair <christoph.mair@gmail.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add more information about patch descriptions.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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/proc/pid/oom_adj is now deprecated so that that it may eventually be
removed. The target date for removal is August 2012.
A warning will be printed to the kernel log if a task attempts to use this
interface. Future warning will be suppressed until the kernel is rebooted
to prevent spamming the kernel log.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This a complete rewrite of the oom killer's badness() heuristic which is
used to determine which task to kill in oom conditions. The goal is to
make it as simple and predictable as possible so the results are better
understood and we end up killing the task which will lead to the most
memory freeing while still respecting the fine-tuning from userspace.
Instead of basing the heuristic on mm->total_vm for each task, the task's
rss and swap space is used instead. This is a better indication of the
amount of memory that will be freeable if the oom killed task is chosen
and subsequently exits. This helps specifically in cases where KDE or
GNOME is chosen for oom kill on desktop systems instead of a memory
hogging task.
The baseline for the heuristic is a proportion of memory that each task is
currently using in memory plus swap compared to the amount of "allowable"
memory. "Allowable," in this sense, means the system-wide resources for
unconstrained oom conditions, the set of mempolicy nodes, the mems
attached to current's cpuset, or a memory controller's limit. The
proportion is given on a scale of 0 (never kill) to 1000 (always kill),
roughly meaning that if a task has a badness() score of 500 that the task
consumes approximately 50% of allowable memory resident in RAM or in swap
space.
The proportion is always relative to the amount of "allowable" memory and
not the total amount of RAM systemwide so that mempolicies and cpusets may
operate in isolation; they shall not need to know the true size of the
machine on which they are running if they are bound to a specific set of
nodes or mems, respectively.
Root tasks are given 3% extra memory just like __vm_enough_memory()
provides in LSMs. In the event of two tasks consuming similar amounts of
memory, it is generally better to save root's task.
Because of the change in the badness() heuristic's baseline, it is also
necessary to introduce a new user interface to tune it. It's not possible
to redefine the meaning of /proc/pid/oom_adj with a new scale since the
ABI cannot be changed for backward compatability. Instead, a new tunable,
/proc/pid/oom_score_adj, is added that ranges from -1000 to +1000. It may
be used to polarize the heuristic such that certain tasks are never
considered for oom kill while others may always be considered. The value
is added directly into the badness() score so a value of -500, for
example, means to discount 50% of its memory consumption in comparison to
other tasks either on the system, bound to the mempolicy, in the cpuset,
or sharing the same memory controller.
/proc/pid/oom_adj is changed so that its meaning is rescaled into the
units used by /proc/pid/oom_score_adj, and vice versa. Changing one of
these per-task tunables will rescale the value of the other to an
equivalent meaning. Although /proc/pid/oom_adj was originally defined as
a bitshift on the badness score, it now shares the same linear growth as
/proc/pid/oom_score_adj but with different granularity. This is required
so the ABI is not broken with userspace applications and allows oom_adj to
be deprecated for future removal.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a simple post-processing script for the reclaim-related trace events.
It can be used to give an indication of how much traffic there is on the
LRU lists and how severe latencies due to reclaim are. Example output
looks like the following
Reclaim latencies expressed as order-latency_in_ms
uname-3942 9-200.179000000004 9-98.7900000000373 9-99.8330000001006
kswapd0-311 0-662.097999999998 0-2.79700000002049 \
0-149.100000000035 0-3295.73600000003 0-9806.31799999997 0-35528.833 \
0-10043.197 0-129740.979 0-3.50500000000466 0-3.54899999999907 \
0-9297.78999999992 0-3.48499999998603 0-3596.97999999998 0-3.92799999995623 \
0-3.35000000009313 0-16729.017 0-3.57799999997951 0-47435.0630000001 \
0-3.7819999998901 0-5864.06999999995 0-18635.334 0-10541.289 9-186011.565 \
9-3680.86300000001 9-1379.06499999994 9-958571.115 9-66215.474 \
9-6721.14699999988 9-1962.15299999993 9-1094806.125 9-2267.83199999994 \
9-47120.9029999999 9-427653.886 9-2.6359999999404 9-632.148999999976 \
9-476.753000000026 9-495.577000000048 9-8.45900000003166 9-6.6820000000298 \
9-1.30500000016764 9-251.746000000043 9-383.905000000028 9-80.1419999999925 \
9-281.160000000149 9-14.8780000000261 9-381.45299999998 9-512.07799999998 \
9-49.5519999999087 9-167.439000000013 9-183.820999999996 9-239.527999999933 \
9-19.9479999998584 9-148.747999999905 9-164.583000000101 9-16.9480000000913 \
9-192.376000000164 9-64.1010000000242 9-1.40800000005402 9-3.60800000000745 \
9-17.1359999999404 9-4.69500000006519 9-2.06400000001304 9-1582488.554 \
9-6244.19499999983 9-348153.812 9-2.0999999998603 9-0.987999999895692 \
0-32218.473 0-1.6140000000596 0-1.28100000019185 0-1.41300000017509 \
0-1.32299999985844 0-602.584000000032 0-1.34400000004098 0-1.6929999999702 \
1-22101.8190000001 9-174876.724 9-16.2420000000857 9-175.165999999736 \
9-15.8589999997057 9-0.604999999981374 9-3061.09000000032 9-479.277000000235 \
9-1.54499999992549 9-771.985000000335 9-4.88700000010431 9-15.0649999999441 \
9-0.879999999888241 9-252.01500000013 9-1381.03600000031 9-545.689999999944 \
9-3438.0129999998 9-3343.70099999988
bench-stresshig-3942 9-7063.33900000004 9-129960.482 9-2062.27500000002 \
9-3845.59399999992 9-171.82799999998 9-16493.821 9-7615.23900000006 \
9-10217.848 9-983.138000000035 9-2698.39999999991 9-4016.1540000001 \
9-5522.37700000009 9-21630.429 \
9-15061.048 9-10327.953 9-542.69700000016 9-317.652000000002 \
9-8554.71699999995 9-1786.61599999992 9-1899.31499999994 9-2093.41899999999 \
9-4992.62400000007 9-942.648999999976 9-1923.98300000001 9-3.7980000001844 \
9-5.99899999983609 9-0.912000000011176 9-1603.67700000014 9-1.98300000000745 \
9-3.96500000008382 9-0.902999999932945 9-2802.72199999983 9-1078.24799999991 \
9-2155.82900000014 9-10.058999999892 9-1984.723 9-1687.97999999998 \
9-1136.05300000007 9-3183.61699999985 9-458.731000000145 9-6.48600000003353 \
9-1013.25200000009 9-8415.22799999989 9-10065.584 9-2076.79600000009 \
9-3792.65699999989 9-71.2010000001173 9-2560.96999999997 9-2260.68400000012 \
9-2862.65799999982 9-1255.81500000018 9-15.7440000001807 9-4.33499999996275 \
9-1446.63800000004 9-238.635000000009 9-60.1790000000037 9-4.38800000003539 \
9-639.567000000039 9-306.698000000091 9-31.4070000001229 9-74.997999999905 \
9-632.725999999791 9-1625.93200000003 9-931.266000000061 9-98.7749999999069 \
9-984.606999999844 9-225.638999999966 9-421.316000000108 9-653.744999999879 \
9-572.804000000004 9-769.158999999985 9-603.918000000063 9-4.28499999991618 \
9-626.21399999992 9-1721.25 9-0.854999999981374 9-572.39599999995 \
9-681.881999999983 9-1345.12599999993 9-363.666999999899 9-3823.31099999999 \
9-2991.28200000012 9-4.27099999994971 9-309.76500000013 9-3068.35700000008 \
9-788.25 9-3515.73999999999 9-2065.96100000013 9-286.719999999972 \
9-316.076000000117 9-344.151000000071 9-2.51000000000931 9-306.688000000082 \
9-1515.00099999993 9-336.528999999864 9-793.491999999853 9-457.348999999929 \
9-13620.155 9-119.933999999892 9-35.0670000000391 9-918.266999999993 \
9-828.569000000134 9-4863.81099999999 9-105.222000000067 9-894.23900000006 \
9-110.964999999851 9-0.662999999942258 9-12753.3150000002 9-12.6129999998957 \
9-13368.0899999999 9-12.4199999999255 9-1.00300000002608 9-1.41100000008009 \
9-10300.5290000001 9-16.502000000095 9-30.7949999999255 9-6283.0140000002 \
9-4320.53799999994 9-6826.27300000004 9-3.07299999985844 9-1497.26799999992 \
9-13.4040000000969 9-3.12999999988824 9-3.86100000003353 9-11.3539999998175 \
9-0.10799999977462 9-21.780999999959 9-209.695999999996 9-299.647000000114 \
9-6.01699999999255 9-20.8349999999627 9-22.5470000000205 9-5470.16800000006 \
9-7.60499999998137 9-0.821000000229105 9-1.56600000010803 9-14.1669999998994 \
9-0.209000000031665 9-1.82300000009127 9-1.70000000018626 9-19.9429999999702 \
9-124.266999999993 9-0.0389999998733401 9-6.71400000015274 9-16.7710000001825 \
9-31.0409999999683 9-0.516999999992549 9-115.888000000035 9-5.19900000002235 \
9-222.389999999898 9-11.2739999999758 9-80.9050000000279 9-8.14500000001863 \
9-4.44599999999627 9-0.218999999808148 9-0.715000000083819 9-0.233000000007451
\
9-48.2630000000354 9-248.560999999987 9-374.96800000011 9-644.179000000004 \
9-0.835999999893829 9-79.0060000000522 9-128.447999999858 9-0.692000000039116 \
9-5.26500000013039 9-128.449000000022 9-2.04799999995157 9-12.0990000001621 \
9-8.39899999997579 9-10.3860000001732 9-11.9310000000987 9-53.4450000000652 \
9-0.46999999997206 9-2.96299999998882 9-17.9699999999721 9-0.776000000070781 \
9-25.2919999998994 9-33.1110000000335 9-0.434000000124797 9-0.641000000061467 \
9-0.505000000121072 9-1.12800000002608 9-149.222000000067 9-1.17599999997765 \
9-3247.33100000001 9-10.7439999999478 9-153.523000000045 9-1.38300000014715 \
9-794.762000000104 9-3.36199999996461 9-128.765999999829 9-181.543999999994 \
9-78149.8229999999 9-176.496999999974 9-89.9940000001807 9-9.12700000009499 \
9-250.827000000048 9-0.224999999860302 9-0.388999999966472 9-1.16700000036508 \
9-32.1740000001155 9-12.6800000001676 9-0.0720000001601875 9-0.274999999906868
\
9-0.724000000394881 9-266.866000000387 9-45.5709999999963 9-4.54399999976158 \
9-8.27199999988079 9-4.38099999958649 9-0.512000000104308 9-0.0640000002458692
\
9-5.20000000018626 9-0.0839999997988343 9-12.816000000108 9-0.503000000026077 \
9-0.507999999914318 9-6.23999999975786 9-3.35100000025705 9-18.8530000001192 \
9-25.2220000000671 9-68.2309999996796 9-98.9939999999478 9-0.441000000108033 \
9-4.24599999981001 9-261.702000000048 9-3.01599999982864 9-0.0749999997206032 \
9-0.0370000000111759 9-4.375 9-3.21800000034273 9-11.3960000001825 \
9-0.0540000000037253 9-0.286000000312924 9-0.865999999921769 \
9-0.294999999925494 9-6.45999999996275 9-4.31099999975413 9-128.248999999836 \
9-0.282999999821186 9-102.155000000261 9-0.0860000001266599 \
9-0.0540000000037253 9-0.935000000055879 9-0.0670000002719462 \
9-5.8640000000596 9-19.9860000000335 9-4.18699999991804 9-0.566000000108033 \
9-2.55099999997765 9-0.702000000048429 9-131.653999999631 9-0.638999999966472 \
9-14.3229999998584 9-183.398000000045 9-178.095999999903 9-3.22899999981746 \
9-7.31399999978021 9-22.2400000002235 9-11.7979999999516 9-108.10599999968 \
9-99.0159999998286 9-102.640999999829 9-38.414000000339
Process Direct Wokeup Pages Pages Pages
details Rclms Kswapd Scanned Sync-IO ASync-IO
cc1-30800 0 1 0 0 0 wakeup-0=1
cc1-24260 0 1 0 0 0 wakeup-0=1
cc1-24152 0 12 0 0 0 wakeup-0=12
cc1-8139 0 1 0 0 0 wakeup-0=1
cc1-4390 0 1 0 0 0 wakeup-0=1
cc1-4648 0 7 0 0 0 wakeup-0=7
cc1-4552 0 3 0 0 0 wakeup-0=3
dd-4550 0 31 0 0 0 wakeup-0=31
date-4898 0 1 0 0 0 wakeup-0=1
cc1-6549 0 7 0 0 0 wakeup-0=7
as-22202 0 17 0 0 0 wakeup-0=17
cc1-6495 0 9 0 0 0 wakeup-0=9
cc1-8299 0 1 0 0 0 wakeup-0=1
cc1-6009 0 1 0 0 0 wakeup-0=1
cc1-2574 0 2 0 0 0 wakeup-0=2
cc1-30568 0 1 0 0 0 wakeup-0=1
cc1-2679 0 6 0 0 0 wakeup-0=6
sh-13747 0 12 0 0 0 wakeup-0=12
cc1-22193 0 18 0 0 0 wakeup-0=18
cc1-30725 0 2 0 0 0 wakeup-0=2
as-4392 0 2 0 0 0 wakeup-0=2
cc1-28180 0 14 0 0 0 wakeup-0=14
cc1-13697 0 2 0 0 0 wakeup-0=2
cc1-22207 0 8 0 0 0 wakeup-0=8
cc1-15270 0 179 0 0 0 wakeup-0=179
cc1-22011 0 82 0 0 0 wakeup-0=82
cp-14682 0 1 0 0 0 wakeup-0=1
as-11926 0 2 0 0 0 wakeup-0=2
cc1-6016 0 5 0 0 0 wakeup-0=5
make-18554 0 13 0 0 0 wakeup-0=13
cc1-8292 0 12 0 0 0 wakeup-0=12
make-24381 0 1 0 0 0 wakeup-1=1
date-18681 0 33 0 0 0 wakeup-0=33
cc1-32276 0 1 0 0 0 wakeup-0=1
timestamp-outpu-2809 0 253 0 0 0 wakeup-0=240 wakeup-1=13
date-18624 0 7 0 0 0 wakeup-0=7
cc1-30960 0 9 0 0 0 wakeup-0=9
cc1-4014 0 1 0 0 0 wakeup-0=1
cc1-30706 0 22 0 0 0 wakeup-0=22
uname-3942 4 1 306 0 17 direct-9=4 wakeup-9=1
cc1-28207 0 1 0 0 0 wakeup-0=1
cc1-30563 0 9 0 0 0 wakeup-0=9
cc1-22214 0 10 0 0 0 wakeup-0=10
cc1-28221 0 11 0 0 0 wakeup-0=11
cc1-28123 0 6 0 0 0 wakeup-0=6
kswapd0-311 0 7 357302 0 34233 wakeup-0=7
cc1-5988 0 7 0 0 0 wakeup-0=7
as-30734 0 161 0 0 0 wakeup-0=161
cc1-22004 0 45 0 0 0 wakeup-0=45
date-4590 0 4 0 0 0 wakeup-0=4
cc1-15279 0 213 0 0 0 wakeup-0=213
date-30735 0 1 0 0 0 wakeup-0=1
cc1-30583 0 4 0 0 0 wakeup-0=4
cc1-32324 0 2 0 0 0 wakeup-0=2
cc1-23933 0 3 0 0 0 wakeup-0=3
cc1-22001 0 36 0 0 0 wakeup-0=36
bench-stresshig-3942 287 287 80186 6295 12196 direct-9=287 wakeup-9=287
cc1-28170 0 7 0 0 0 wakeup-0=7
date-7932 0 92 0 0 0 wakeup-0=92
cc1-22222 0 6 0 0 0 wakeup-0=6
cc1-32334 0 16 0 0 0 wakeup-0=16
cc1-2690 0 6 0 0 0 wakeup-0=6
cc1-30733 0 9 0 0 0 wakeup-0=9
cc1-32298 0 2 0 0 0 wakeup-0=2
cc1-13743 0 18 0 0 0 wakeup-0=18
cc1-22186 0 4 0 0 0 wakeup-0=4
cc1-28214 0 11 0 0 0 wakeup-0=11
cc1-13735 0 1 0 0 0 wakeup-0=1
updatedb-8173 0 18 0 0 0 wakeup-0=18
cc1-13750 0 3 0 0 0 wakeup-0=3
cat-2808 0 2 0 0 0 wakeup-0=2
cc1-15277 0 169 0 0 0 wakeup-0=169
date-18317 0 1 0 0 0 wakeup-0=1
cc1-15274 0 197 0 0 0 wakeup-0=197
cc1-30732 0 1 0 0 0 wakeup-0=1
Kswapd Kswapd Order Pages Pages Pages
Instance Wakeups Re-wakeup Scanned Sync-IO ASync-IO
kswapd0-311 91 24 357302 0 34233 wake-0=31 wake-1=1 wake-9=59 rewake-0=10 rewake-1=1 rewake-9=13
Summary
Direct reclaims: 291
Direct reclaim pages scanned: 437794
Direct reclaim write sync I/O: 6295
Direct reclaim write async I/O: 46446
Wake kswapd requests: 2152
Time stalled direct reclaim: 519.163009000002 ms
Kswapd wakeups: 91
Kswapd pages scanned: 357302
Kswapd reclaim write sync I/O: 0
Kswapd reclaim write async I/O: 34233
Time kswapd awake: 5282.749757 ms
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Larry Woodman <lwoodman@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michael Rubin <mrubin@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The oom killer tasklist dump, enabled with the oom_dump_tasks sysctl, is
very helpful information in diagnosing why a user's task has been killed.
It emits useful information such as each eligible thread's memory usage
that can determine why the system is oom, so it should be enabled by
default.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (82 commits)
firewire: core: add forgotten dummy driver methods, remove unused ones
firewire: add isochronous multichannel reception
firewire: core: small clarifications in core-cdev
firewire: core: remove unused code
firewire: ohci: release channel in error path
firewire: ohci: use memory barriers to order descriptor updates
tools/firewire: nosy-dump: increment program version
tools/firewire: nosy-dump: remove unused code
tools/firewire: nosy-dump: use linux/firewire-constants.h
tools/firewire: nosy-dump: break up a deeply nested function
tools/firewire: nosy-dump: make some symbols static or const
tools/firewire: nosy-dump: change to kernel coding style
tools/firewire: nosy-dump: work around segfault in decode_fcp
tools/firewire: nosy-dump: fix it on x86-64
tools/firewire: add userspace front-end of nosy
firewire: nosy: note ioctls in ioctl-number.txt
firewire: nosy: use generic printk macros
firewire: nosy: endianess fixes and annotations
firewire: nosy: annotate __user pointers and __iomem pointers
firewire: nosy: fix device shutdown with active client
...
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Conflicts:
drivers/firewire/core-card.c
drivers/firewire/core-cdev.c
and forgotten #include <linux/time.h> in drivers/firewire/ohci.c
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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These are the ioctls for the special-purpose misc device /dev/nosy, the
interface to the IEEE 1394 packet sniffer/ protocol analyzer driver.
Currently only the numbers 00...02 are in use; let's block a few more
for unforeseen use cases.
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (214 commits)
ALSA: hda - Add pin-fix for HP dc5750
ALSA: als4000: Fix potentially invalid DMA mode setup
ALSA: als4000: enable burst mode
ALSA: hda - Fix initial capsrc selection in patch_alc269()
ASoC: TWL4030: Capture route runtime DAPM ordering fix
ALSA: hda - Add PC-beep whitelist for an Intel board
ALSA: hda - More relax for pending period handling
ALSA: hda - Define AC_FMT_* constants
ALSA: hda - Fix beep frequency on IDT 92HD73xx and 92HD71Bxx codecs
ALSA: hda - Add support for HDMI HBR passthrough
ALSA: hda - Set Stream Type in Stream Format according to AES0
ALSA: hda - Fix Thinkpad X300 so SPDIF is not exposed
ALSA: hda - FIX to not expose SPDIF on Thinkpad X301, since it does not have the ability to use SPDIF
ASoC: wm9081: fix resource reclaim in wm9081_register error path
ASoC: wm8978: fix a memory leak if a wm8978_register fail
ASoC: wm8974: fix a memory leak if another WM8974 is registered
ASoC: wm8961: fix resource reclaim in wm8961_register error path
ASoC: wm8955: fix resource reclaim in wm8955_register error path
ASoC: wm8940: fix a memory leak if wm8940_register return error
ASoC: wm8904: fix resource reclaim in wm8904_register error path
...
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Move sound (OSS & ALSA) kernel parameters to their own files.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Also update the documentation.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Lenovo IdeaPad Y430 has an additional subwoofer connected at pin 0x1b,
which isn't muted when headphone is plugged in. This adds additional
support to the extra subwoofer via new ideapad model.
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (45 commits)
nilfs2: reject filesystem with unsupported block size
nilfs2: avoid rec_len overflow with 64KB block size
nilfs2: simplify nilfs_get_page function
nilfs2: reject incompatible filesystem
nilfs2: add feature set fields to super block
nilfs2: clarify byte offset in super block format
nilfs2: apply read-ahead for nilfs_btree_lookup_contig
nilfs2: introduce check flag to btree node buffer
nilfs2: add btree get block function with readahead option
nilfs2: add read ahead mode to nilfs_btnode_submit_block
nilfs2: fix buffer head leak in nilfs_btnode_submit_block
nilfs2: eliminate inline keywords in btree implementation
nilfs2: get maximum number of child nodes from bmap object
nilfs2: reduce repetitive calculation of max number of child nodes
nilfs2: optimize calculation of min/max number of btree node children
nilfs2: remove redundant pointer checks in bmap lookup functions
nilfs2: get rid of nilfs_bmap_union
nilfs2: unify bmap set_target_v operations
nilfs2: get rid of nilfs_btree uses
nilfs2: get rid of nilfs_direct uses
...
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Nilfs has "discard" mount option which issues discard/TRIM commands to
underlying block device, but it lacks a complementary option and has
no way to disable the feature through remount.
This adds "nodiscard" option to resolve this imbalance.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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