From: Sasha Levin <sasha.levin@oracle.com>
Date: Wed, 10 Dec 2014 23:44:13 +0000 (-0800)
Subject: mm, hugetlb: correct bit shift in hstate_sizelog()
X-Git-Tag: omap-for-v3.19/fixes-rc1~142^2~125
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97ad2be1daf8e6f2d297aa349101b340e1327917;p=pandora-kernel.git

mm, hugetlb: correct bit shift in hstate_sizelog()

hstate_sizelog() would shift left an int rather than long, triggering
undefined behaviour and passing an incorrect value when the requested
page size was more than 4GB, thus breaking >4GB pages.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andrey Ryabinin <a.ryabinin@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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