Commit 2d19fc63 authored Jan 27, 2016 by Aneesh Kumar K.V Committed by Michael Ellerman Jan 28, 2016

powerpc/mm: Fixup _HPAGE_CHG_MASK



This was wrongly updated by commit 7aa9a23c ("powerpc, thp: remove
infrastructure for handling splitting PMDs") during the last merge
window. Fix it up.

This could lead to incorrect behaviour in THP and/or mprotect(), at a
minimum.

Fixes: 7aa9a23c ("powerpc, thp: remove infrastructure for handling splitting PMDs")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 370f06c8

arch/powerpc/include/asm/book3s/64/hash.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -50,7 +50,9 @@
		* set of bits not changed in pmd_modify.
		*/
		#define _HPAGE_CHG_MASK (PTE_RPN_MASK \| _PAGE_HPTEFLAGS \| _PAGE_DIRTY \| \
		_PAGE_ACCESSED \| _PAGE_THP_HUGE)
		_PAGE_ACCESSED \| _PAGE_THP_HUGE \| _PAGE_PTE \| \
		_PAGE_SOFT_DIRTY)


		#ifdef CONFIG_PPC_64K_PAGES
		#include <asm/book3s/64/hash-64k.h>