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| author | David S. Miller <davem@davemloft.net> | 2008-09-16 23:11:43 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-16 23:11:43 +0200 |
| commit | 2e57572a50a4de41c6cbc879a4866a312d4cd316 (patch) | |
| tree | c4f58ec96c06642c4b415b881d3f0a3b673d5b44 /Documentation/filesystems/proc.txt | |
| parent | sparc32: Use PROM device probing for sun4m timer registers. (diff) | |
| parent | sparc64: Fix OOPS in psycho_pcierr_intr_other(). (diff) | |
| download | linux-2e57572a50a4de41c6cbc879a4866a312d4cd316.tar.xz linux-2e57572a50a4de41c6cbc879a4866a312d4cd316.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts:
arch/sparc64/kernel/pci_psycho.c
Diffstat (limited to 'Documentation/filesystems/proc.txt')
| -rw-r--r-- | Documentation/filesystems/proc.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 64557821ee59..f566ad9bcb7b 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1339,6 +1339,25 @@ Enables/Disables the protection of the per-process proc entries "maps" and "smaps". When enabled, the contents of these files are visible only to readers that are allowed to ptrace() the given process. +msgmni +------ + +Maximum number of message queue ids on the system. +This value scales to the amount of lowmem. It is automatically recomputed +upon memory add/remove or ipc namespace creation/removal. +When a value is written into this file, msgmni's value becomes fixed, i.e. it +is not recomputed anymore when one of the above events occurs. +Use auto_msgmni to change this behavior. + +auto_msgmni +----------- + +Enables/Disables automatic recomputing of msgmni upon memory add/remove or +upon ipc namespace creation/removal (see the msgmni description above). +Echoing "1" into this file enables msgmni automatic recomputing. +Echoing "0" turns it off. +auto_msgmni default value is 1. + 2.4 /proc/sys/vm - The virtual memory subsystem ----------------------------------------------- @@ -2394,6 +2413,8 @@ The following 4 memory types are supported: - (bit 1) anonymous shared memory - (bit 2) file-backed private memory - (bit 3) file-backed shared memory + - (bit 4) ELF header pages in file-backed private memory areas (it is + effective only if the bit 2 is cleared) Note that MMIO pages such as frame buffer are never dumped and vDSO pages are always dumped regardless of the bitmask status. |