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(parent: 8431729) | patch
thp: decrement refcount on huge zero page if it is split
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 8 Sep 2015 21:59:28 +0000 (14:59 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 8 Sep 2015 22:35:28 +0000 (15:35 -0700)
commit5b701b846aad7909d20693bcced2522d0ce8d1bc
treed3cf24a5345a513cf95eeb412d1863c18266d13btree | snapshot (tar.gz zip)
parent843172978bb92997310d2f7fbc172ece423cfc02commit | diff
thp: decrement refcount on huge zero page if it is split

The DAX code neglected to put the refcount on the huge zero page.
Also we must notify on splits.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/huge_memory.c diff | blob | blame | history