tree 4884ad51a34aa931eef71932ed7546ab390f51ef
parent 288bc54949fc2625a4fd811a188fb200cc498946
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1487977159 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1487987216 -0800

mm/ksm: handle protnone saved writes when making page write protect

Without this KSM will consider the page write protected, but a numa
fault can later mark the page writable.  This can result in memory
corruption.

Link: http://lkml.kernel.org/r/1487498625-10891-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>