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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-01-14 11:22:25 +0100 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-01-14 16:04:59 +0100 |
| commit | 6047a007d0f6b7395cd158f3bdda34ab39a48821 (patch) | |
| tree | 3d1bb724290a5134338f3b2496a7252a5ec8dcb8 /mm | |
| parent | Merge branch 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| download | linux-6047a007d0f6b7395cd158f3bdda34ab39a48821.tar.xz linux-6047a007d0f6b7395cd158f3bdda34ab39a48821.zip | |
SLUB: Use ->objsize from struct kmem_cache_cpu in slab_free()
There's no reason to use ->objsize from struct kmem_cache in slab_free() for
the SLAB_DEBUG_OBJECTS case. All it does is generate extra cache pressure as we
try very hard not to touch struct kmem_cache in the fast-path.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slub.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c index 6392ae5cc6b1..f21e25ad453b 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1724,7 +1724,7 @@ static __always_inline void slab_free(struct kmem_cache *s, c = get_cpu_slab(s, smp_processor_id()); debug_check_no_locks_freed(object, c->objsize); if (!(s->flags & SLAB_DEBUG_OBJECTS)) - debug_check_no_obj_freed(object, s->objsize); + debug_check_no_obj_freed(object, c->objsize); if (likely(page == c->page && c->node >= 0)) { object[c->offset] = c->freelist; c->freelist = object; |