tree b63f21c4efd165637c938267d7e542df18d93c99
parent 5f22df00a009e3f86301366c0ecddb63ebd22af9
author Pekka Enberg <penberg@cs.helsinki.fi> 1178488143 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1178565171 -0700

slab: ensure cache_alloc_refill terminates

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>