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>
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1 changed files with 17 additions and 4 deletions
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@ -463,11 +463,17 @@ SwapTotal: 0 kB
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SwapFree: 0 kB
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Dirty: 968 kB
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Writeback: 0 kB
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AnonPages: 861800 kB
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Mapped: 280372 kB
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Slab: 684068 kB
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Slab: 284364 kB
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SReclaimable: 159856 kB
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SUnreclaim: 124508 kB
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PageTables: 24448 kB
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NFS_Unstable: 0 kB
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Bounce: 0 kB
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WritebackTmp: 0 kB
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CommitLimit: 7669796 kB
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Committed_AS: 100056 kB
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PageTables: 24448 kB
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VmallocTotal: 112216 kB
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VmallocUsed: 428 kB
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VmallocChunk: 111088 kB
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@ -503,8 +509,17 @@ VmallocChunk: 111088 kB
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on the disk
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Dirty: Memory which is waiting to get written back to the disk
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Writeback: Memory which is actively being written back to the disk
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AnonPages: Non-file backed pages mapped into userspace page tables
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Mapped: files which have been mmaped, such as libraries
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Slab: in-kernel data structures cache
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SReclaimable: Part of Slab, that might be reclaimed, such as caches
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SUnreclaim: Part of Slab, that cannot be reclaimed on memory pressure
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PageTables: amount of memory dedicated to the lowest level of page
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tables.
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NFS_Unstable: NFS pages sent to the server, but not yet committed to stable
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storage
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Bounce: Memory used for block device "bounce buffers"
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WritebackTmp: Memory used by FUSE for temporary writeback buffers
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CommitLimit: Based on the overcommit ratio ('vm.overcommit_ratio'),
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this is the total amount of memory currently available to
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be allocated on the system. This limit is only adhered to
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@ -531,8 +546,6 @@ Committed_AS: The amount of memory presently allocated on the system.
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above) will not be permitted. This is useful if one needs
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to guarantee that processes will not fail due to lack of
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memory once that memory has been successfully allocated.
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PageTables: amount of memory dedicated to the lowest level of page
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tables.
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VmallocTotal: total size of vmalloc memory area
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VmallocUsed: amount of vmalloc area which is used
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VmallocChunk: largest contigious block of vmalloc area which is free
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