| commit | 97ad2be1daf8e6f2d297aa349101b340e1327917 | |
| author | Sasha Levin <sasha.levin@oracle.com> | |
| Wed, 10 Dec 2014 23:44:13 +0000 (10 15:44 -0800) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Thu, 11 Dec 2014 01:41:07 +0000 (10 17:41 -0800) | ||
| tree | bc2f99575a556c2ff6c31ecd83d029d46124b95a | treesnapshot (tar.gz zip) |
| parent | 247b1447b6ccb2890cefc370f8e204592a70774d | commitdiff |
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>
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>
| include/linux/hugetlb.h | diffblobblamehistory |