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slub: When allocating a new slab also prep the first object 

We need to branch to the debug code for the first object if we allocate
a new slab otherwise the first object will be marked wrongly as inactive.

Tested-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter 2011-07-22 09:35:14 -05:00 committed by Pekka Enberg
parent 1d07171c5e
commit 9e577e8b46
1 changed files with 3 additions and 0 deletions
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3
mm/slub.c
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@ -2082,6 +2082,9 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
stat(s, ALLOC_SLAB);
c->node = page_to_nid(page);
c->page = page;
if (kmem_cache_debug(s))
goto debug;
goto load_freelist;
}
if (!(gfpflags & __GFP_NOWARN) && printk_ratelimit())