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authorPekka Enberg <penberg@cs.helsinki.fi>2010-04-07 19:23:40 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-09 10:09:50 -0700
commitfc1c183353a113c71675fecd0485e5aa0fe68d72 (patch)
tree25fc50112c80402ab43bd86a3d6b6a99a0c3c128 /mm/mempolicy.c
parent4dc86ae1f925b2121d4e75058675895f83e54c71 (diff)
slab: Generify kernel pointer validation
As suggested by Linus, introduce a kern_ptr_validate() helper that does some sanity checks to make sure a pointer is a valid kernel pointer. This is a preparational step for fixing SLUB kmem_ptr_validate(). Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: David Rientjes <rientjes@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Matt Mackall <mpm@selenic.com> Cc: Nick Piggin <npiggin@suse.de> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mempolicy.c')
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