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| author | Eric Dumazet <dada1@cosmosbay.com> | 2007-05-06 14:49:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:12:53 -0700 |
| commit | 6310984694c8204ad16a2414cd58808fae68e02b (patch) | |
| tree | 9579700c6b8b99e873462018cf536c00ab76dfb6 /mm/page_alloc.c | |
| parent | 364fbb29a0105863d76a1f7bbc01783a4af30a75 (diff) | |
| download | op-kernel-dev-6310984694c8204ad16a2414cd58808fae68e02b.zip op-kernel-dev-6310984694c8204ad16a2414cd58808fae68e02b.tar.gz | |
SLAB: don't allocate empty shared caches
We can avoid allocating empty shared caches and avoid unecessary check of
cache->limit. We save some memory. We avoid bringing into CPU cache
unecessary cache lines.
All accesses to l3->shared are already checking NULL pointers so this patch is
safe.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
0 files changed, 0 insertions, 0 deletions
