tree 25fc50112c80402ab43bd86a3d6b6a99a0c3c128
parent 4dc86ae1f925b2121d4e75058675895f83e54c71
author Pekka Enberg <penberg@cs.helsinki.fi> 1270657420 +0300
committer Linus Torvalds <torvalds@linux-foundation.org> 1270832990 -0700

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>