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[PATCH] zoned vm counters: conversion of nr_slab to per zone counter

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- Allows reclaim to access counter without looping over processor counts.

- Allows accurate statistics on how many pages are used in a zone by
  the slab. This may become useful to balance slab allocations over
  various zones.

[akpm@osdl.org: bugfix]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter
2006-06-30 01:55:38 -07:00
committed by Linus Torvalds
parent 34aa1330f9
commit 9a865ffa34
9 changed files with 10 additions and 12 deletions
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include/linux/mmzone.h
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@@ -51,6 +51,7 @@ enum zone_stat_item {
NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
only modified from process context */
NR_FILE_PAGES,
NR_SLAB, /* Pages used by slab allocator */
NR_VM_ZONE_STAT_ITEMS };
struct per_cpu_pages {