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[PATCH] ZVC: Support NR_SLAB_RECLAIMABLE / NR_SLAB_UNRECLAIMABLE

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Remove the atomic counter for slab_reclaim_pages and replace the counter
and NR_SLAB with two ZVC counter that account for unreclaimable and
reclaimable slab pages: NR_SLAB_RECLAIMABLE and NR_SLAB_UNRECLAIMABLE.

Change the check in vmscan.c to refer to to NR_SLAB_RECLAIMABLE.  The
intend seems to be to check for slab pages that could be freed.

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
2006-09-25 23:31:51 -07:00
committed by Linus Torvalds
parent 8417bba4b1
commit 972d1a7b14
12 changed files with 36 additions and 29 deletions
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include/linux/slab.h
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@@ -284,8 +284,6 @@ extern kmem_cache_t *fs_cachep;
extern kmem_cache_t *sighand_cachep;
extern kmem_cache_t *bio_cachep;
extern atomic_t slab_reclaim_pages;
#endif /* __KERNEL__ */
#endif /* _LINUX_SLAB_H */