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(parent: 288bc54) | patch
mm/ksm: handle protnone saved writes when making page write protect
authorAneesh Kumar K.V <[email protected]>
Fri, 24 Feb 2017 22:59:19 +0000 (14:59 -0800)
committerLinus Torvalds <[email protected]>
Sat, 25 Feb 2017 01:46:56 +0000 (17:46 -0800)
commit595cd8f256d24face93b2722927ec9c980419c26
tree4884ad51a34aa931eef71932ed7546ab390f51eftree | snapshot
parent288bc54949fc2625a4fd811a188fb200cc498946commit | diff
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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
include/asm-generic/pgtable.h diff | blob | blame | history
mm/ksm.c diff | blob | blame | history
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