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slub: Not necessary to check for empty slab on load_freelist

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load_freelist is now only branched to only if there are objects available.
So no need to check the object variable for NULL.

Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter 2011-06-01 12:25:59 -05:00 committed by Pekka Enberg
parent 03e404af26
commit 4eade540fc
1 changed files with 2 additions and 3 deletions
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5
mm/slub.c
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@ -1997,9 +1997,6 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
NULL, new.counters,
"__slab_alloc"));
load_freelist:
VM_BUG_ON(!page->frozen);
if (unlikely(!object)) {
c->page = NULL;
stat(s, DEACTIVATE_BYPASS);
@ -2008,6 +2005,8 @@ load_freelist:
stat(s, ALLOC_REFILL);
load_freelist:
VM_BUG_ON(!page->frozen);
c->freelist = get_freepointer(s, object);
c->tid = next_tid(c->tid);
local_irq_restore(flags);