slab: ensure cache_alloc_refill terminates

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If slab->inuse is corrupted, cache_alloc_refill can enter an infinite
loop as detailed by Michael Richardson in the following post:
<http://lkml.org/lkml/2007/2/16/292>. This adds a BUG_ON to catch
those cases.

Cc: Michael Richardson <mcr@sandelman.ca>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Pekka Enberg 2007-05-06 14:49:03 -07:00 • committed by Linus Torvalds

parent 5f22df00a0

commit 714b8171af

1 changed files with 8 additions and 0 deletions

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mm/slab.c

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