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authorMiklos Szeredi <mszeredi@suse.cz>2008-04-30 03:54:39 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 11:29:50 -0400
commitb88473f73e6d7b6af9cfc4ecc349d82c75d9a6af (patch)
tree82c6e9b13ad03ee85184fa20c40d8cb33efde4e3 /Documentation/filesystems
parentfc3ba692a4d19019387c5acaea63131f9eab05dd (diff)
mm: document missing fields for /proc/meminfo
A few fields in /proc/meminfo were not documented. Fix. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/proc.txt21
1 files changed, 17 insertions, 4 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 2a99116edc47..dbc3c6a3650f 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -463,11 +463,17 @@ SwapTotal: 0 kB
463SwapFree: 0 kB 463SwapFree: 0 kB
464Dirty: 968 kB 464Dirty: 968 kB
465Writeback: 0 kB 465Writeback: 0 kB
466AnonPages: 861800 kB
466Mapped: 280372 kB 467Mapped: 280372 kB
467Slab: 684068 kB 468Slab: 284364 kB
469SReclaimable: 159856 kB
470SUnreclaim: 124508 kB
471PageTables: 24448 kB
472NFS_Unstable: 0 kB
473Bounce: 0 kB
474WritebackTmp: 0 kB
468CommitLimit: 7669796 kB 475CommitLimit: 7669796 kB
469Committed_AS: 100056 kB 476Committed_AS: 100056 kB
470PageTables: 24448 kB
471VmallocTotal: 112216 kB 477VmallocTotal: 112216 kB
472VmallocUsed: 428 kB 478VmallocUsed: 428 kB
473VmallocChunk: 111088 kB 479VmallocChunk: 111088 kB
@@ -503,8 +509,17 @@ VmallocChunk: 111088 kB
503 on the disk 509 on the disk
504 Dirty: Memory which is waiting to get written back to the disk 510 Dirty: Memory which is waiting to get written back to the disk
505 Writeback: Memory which is actively being written back to the disk 511 Writeback: Memory which is actively being written back to the disk
512 AnonPages: Non-file backed pages mapped into userspace page tables
506 Mapped: files which have been mmaped, such as libraries 513 Mapped: files which have been mmaped, such as libraries
507 Slab: in-kernel data structures cache 514 Slab: in-kernel data structures cache
515SReclaimable: Part of Slab, that might be reclaimed, such as caches
516 SUnreclaim: Part of Slab, that cannot be reclaimed on memory pressure
517 PageTables: amount of memory dedicated to the lowest level of page
518 tables.
519NFS_Unstable: NFS pages sent to the server, but not yet committed to stable
520 storage
521 Bounce: Memory used for block device "bounce buffers"
522WritebackTmp: Memory used by FUSE for temporary writeback buffers
508 CommitLimit: Based on the overcommit ratio ('vm.overcommit_ratio'), 523 CommitLimit: Based on the overcommit ratio ('vm.overcommit_ratio'),
509 this is the total amount of memory currently available to 524 this is the total amount of memory currently available to
510 be allocated on the system. This limit is only adhered to 525 be allocated on the system. This limit is only adhered to
@@ -531,8 +546,6 @@ Committed_AS: The amount of memory presently allocated on the system.
531 above) will not be permitted. This is useful if one needs 546 above) will not be permitted. This is useful if one needs
532 to guarantee that processes will not fail due to lack of 547 to guarantee that processes will not fail due to lack of
533 memory once that memory has been successfully allocated. 548 memory once that memory has been successfully allocated.
534 PageTables: amount of memory dedicated to the lowest level of page
535 tables.
536VmallocTotal: total size of vmalloc memory area 549VmallocTotal: total size of vmalloc memory area
537 VmallocUsed: amount of vmalloc area which is used 550 VmallocUsed: amount of vmalloc area which is used
538VmallocChunk: largest contigious block of vmalloc area which is free 551VmallocChunk: largest contigious block of vmalloc area which is free