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(parent: 442b06b) | patch
slub: Deal with hyperthetical case of PAGE_SIZE > 2M
authorChristoph Lameter <cl@linux.com>
Fri, 20 May 2011 14:42:48 +0000 (09:42 -0500)
committerPekka Enberg <penberg@kernel.org>
Sat, 21 May 2011 09:53:53 +0000 (12:53 +0300)
commit3e0c2ab67e48f77c2da0a5c826aac397792a214e
tree937d195659cb72bbd038907e36b23e5c0e7c262dtree | snapshot
parent442b06bcea23a01934d3da7ec5898fa154a6cafbcommit | diff
slub: Deal with hyperthetical case of PAGE_SIZE > 2M

kmalloc_index() currently returns -1 if the PAGE_SIZE is larger than 2M
which seems to cause some concern since the callers do not check for -1.

Insert a BUG() and add a comment to the -1 explaining that the code
cannot be reached.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
include/linux/slub_def.h diff | blob | history
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