From: Christoph Lameter <cl@linux.com>
Date: Fri, 20 May 2011 14:42:48 +0000 (-0500)
Subject: slub: Deal with hyperthetical case of PAGE_SIZE > 2M
X-Git-Tag: v3.0-rc1~341^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e0c2ab67e48f77c2da0a5c826aac397792a214e;p=pandora-kernel.git

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>
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