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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 07:45:43 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 07:45:43 +0100 |
commit | 5cbb3d216e2041700231bcfc383ee5f8b7fc8b74 (patch) | |
tree | a738fa82dbcefa9bd283c08bc67f38827be63937 /fs/proc | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff) | |
parent | ipc, msg: fix message length check for negative values (diff) | |
download | linux-5cbb3d216e2041700231bcfc383ee5f8b7fc8b74.tar.xz linux-5cbb3d216e2041700231bcfc383ee5f8b7fc8b74.zip |
Merge branch 'akpm' (patches from Andrew Morton)
Merge first patch-bomb from Andrew Morton:
"Quite a lot of other stuff is banked up awaiting further
next->mainline merging, but this batch contains:
- Lots of random misc patches
- OCFS2
- Most of MM
- backlight updates
- lib/ updates
- printk updates
- checkpatch updates
- epoll tweaking
- rtc updates
- hfs
- hfsplus
- documentation
- procfs
- update gcov to gcc-4.7 format
- IPC"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (269 commits)
ipc, msg: fix message length check for negative values
ipc/util.c: remove unnecessary work pending test
devpts: plug the memory leak in kill_sb
./Makefile: export initial ramdisk compression config option
init/Kconfig: add option to disable kernel compression
drivers: w1: make w1_slave::flags long to avoid memory corruption
drivers/w1/masters/ds1wm.cuse dev_get_platdata()
drivers/memstick/core/ms_block.c: fix unreachable state in h_msb_read_page()
drivers/memstick/core/mspro_block.c: fix attributes array allocation
drivers/pps/clients/pps-gpio.c: remove redundant of_match_ptr
kernel/panic.c: reduce 1 byte usage for print tainted buffer
gcov: reuse kbasename helper
kernel/gcov/fs.c: use pr_warn()
kernel/module.c: use pr_foo()
gcov: compile specific gcov implementation based on gcc version
gcov: add support for gcc 4.7 gcov format
gcov: move gcov structs definitions to a gcc version specific file
kernel/taskstats.c: return -ENOMEM when alloc memory fails in add_del_listener()
kernel/taskstats.c: add nla_nest_cancel() for failure processing between nla_nest_start() and nla_nest_end()
kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
...
Diffstat (limited to 'fs/proc')
-rw-r--r-- | fs/proc/Kconfig | 4 | ||||
-rw-r--r-- | fs/proc/inode.c | 16 | ||||
-rw-r--r-- | fs/proc/kcore.c | 3 | ||||
-rw-r--r-- | fs/proc/meminfo.c | 5 | ||||
-rw-r--r-- | fs/proc/task_mmu.c | 17 |
5 files changed, 25 insertions, 20 deletions
diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig index 15af6222f8a4..2183fcf41d59 100644 --- a/fs/proc/Kconfig +++ b/fs/proc/Kconfig @@ -31,6 +31,10 @@ config PROC_FS config PROC_KCORE bool "/proc/kcore support" if !ARM depends on PROC_FS && MMU + help + Provides a virtual ELF core file of the live kernel. This can + be read with gdb and other ELF tools. No modifications can be + made using this mechanism. config PROC_VMCORE bool "/proc/vmcore support" diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 8eaa1ba793fc..28955d4b7218 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -285,19 +285,23 @@ static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma) return rv; } -static unsigned long proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags) +static unsigned long +proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, + unsigned long len, unsigned long pgoff, + unsigned long flags) { struct proc_dir_entry *pde = PDE(file_inode(file)); unsigned long rv = -EIO; - unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) = NULL; + unsigned long (*get_area)(struct file *, unsigned long, unsigned long, + unsigned long, unsigned long) = NULL; if (use_pde(pde)) { #ifdef CONFIG_MMU - get_unmapped_area = current->mm->get_unmapped_area; + get_area = current->mm->get_unmapped_area; #endif if (pde->proc_fops->get_unmapped_area) - get_unmapped_area = pde->proc_fops->get_unmapped_area; - if (get_unmapped_area) - rv = get_unmapped_area(file, orig_addr, len, pgoff, flags); + get_area = pde->proc_fops->get_unmapped_area; + if (get_area) + rv = get_area(file, orig_addr, len, pgoff, flags); unuse_pde(pde); } return rv; diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index 06ea155e1a59..5ed0e52d6aa0 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -255,8 +255,7 @@ static int kcore_update_ram(void) end_pfn = 0; for_each_node_state(nid, N_MEMORY) { unsigned long node_end; - node_end = NODE_DATA(nid)->node_start_pfn + - NODE_DATA(nid)->node_spanned_pages; + node_end = node_end_pfn(nid); if (end_pfn < node_end) end_pfn = node_end; } diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 59d85d608898..c805d5b69ba1 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -24,7 +24,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v) { struct sysinfo i; unsigned long committed; - unsigned long allowed; struct vmalloc_info vmi; long cached; unsigned long pages[NR_LRU_LISTS]; @@ -37,8 +36,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v) si_meminfo(&i); si_swapinfo(&i); committed = percpu_counter_read_positive(&vm_committed_as); - allowed = ((totalram_pages - hugetlb_total_pages()) - * sysctl_overcommit_ratio / 100) + total_swap_pages; cached = global_page_state(NR_FILE_PAGES) - total_swapcache_pages() - i.bufferram; @@ -147,7 +144,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) K(global_page_state(NR_UNSTABLE_NFS)), K(global_page_state(NR_BOUNCE)), K(global_page_state(NR_WRITEBACK_TEMP)), - K(allowed), + K(vm_commit_limit()), K(committed), (unsigned long)VMALLOC_TOTAL >> 10, vmi.used >> 10, diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 390bdab01c3c..abbe825d20ff 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -561,6 +561,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) [ilog2(VM_NONLINEAR)] = "nl", [ilog2(VM_ARCH_1)] = "ar", [ilog2(VM_DONTDUMP)] = "dd", +#ifdef CONFIG_MEM_SOFT_DIRTY + [ilog2(VM_SOFTDIRTY)] = "sd", +#endif [ilog2(VM_MIXEDMAP)] = "mm", [ilog2(VM_HUGEPAGE)] = "hg", [ilog2(VM_NOHUGEPAGE)] = "nh", @@ -1387,8 +1390,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) struct mm_struct *mm = vma->vm_mm; struct mm_walk walk = {}; struct mempolicy *pol; - int n; - char buffer[50]; + char buffer[64]; + int nid; if (!mm) return 0; @@ -1404,10 +1407,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) walk.mm = mm; pol = get_vma_policy(task, vma, vma->vm_start); - n = mpol_to_str(buffer, sizeof(buffer), pol); + mpol_to_str(buffer, sizeof(buffer), pol); mpol_cond_put(pol); - if (n < 0) - return n; seq_printf(m, "%08lx %s", vma->vm_start, buffer); @@ -1460,9 +1461,9 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) if (md->writeback) seq_printf(m, " writeback=%lu", md->writeback); - for_each_node_state(n, N_MEMORY) - if (md->node[n]) - seq_printf(m, " N%d=%lu", n, md->node[n]); + for_each_node_state(nid, N_MEMORY) + if (md->node[nid]) + seq_printf(m, " N%d=%lu", nid, md->node[nid]); out: seq_putc(m, '\n'); |