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linux-sg2042
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Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 

* 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  slub: fix check_bytes() for slub debugging
  slub: Fix full list corruption if debugging is on
This commit is contained in:
Linus Torvalds 2011-08-09 08:42:16 -07:00
parent 6bb615bc39 ef62fb32b7
commit e6a99d3126
1 changed files with 5 additions and 3 deletions
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8
mm/slub.c
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@ -701,7 +701,7 @@ static u8 *check_bytes(u8 *start, u8 value, unsigned int bytes)
return check_bytes8(start, value, bytes);
value64 = value | value << 8 | value << 16 | value << 24;
value64 = value64 | value64 << 32;
value64 = (value64 & 0xffffffff) | value64 << 32;
prefix = 8 - ((unsigned long)start) % 8;
if (prefix) {
@ -2387,11 +2387,13 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
slab_empty:
if (prior) {
/*
* Slab still on the partial list.
* Slab on the partial list.
*/
remove_partial(n, page);
stat(s, FREE_REMOVE_PARTIAL);
}
} else
/* Slab must be on the full list */
remove_full(s, page);
spin_unlock_irqrestore(&n->list_lock, flags);
stat(s, FREE_SLAB);