The patch titled
Subject: mips: use generic_pmdp_establish as pmdp_establish
has been added to the -mm tree. Its filename is
mips-use-generic_pmdp_establish-as-pmdp_establish.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mips-use-generic_pmdp_establish-as-pmdp_establish.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mips-use-generic_pmdp_establish-as-pmdp_establish.patch
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------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: mips: use generic_pmdp_establish as pmdp_establish
MIPS doesn't support hardware dirty/accessed bits.
generic_pmdp_establish() is suitable in this case.
Link: http://lkml.kernel.org/r/20171213105756.69879-6-kirill.shutemov@xxxxxxxxxxxxxxx
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: David Daney <david.daney@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/mips/include/asm/pgtable.h | 3 +++
1 file changed, 3 insertions(+)
diff -puN arch/mips/include/asm/pgtable.h~mips-use-generic_pmdp_establish-as-pmdp_establish arch/mips/include/asm/pgtable.h
--- a/arch/mips/include/asm/pgtable.h~mips-use-generic_pmdp_establish-as-pmdp_establish
+++ a/arch/mips/include/asm/pgtable.h
@@ -534,6 +534,9 @@ static inline int io_remap_pfn_range(str
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/
+#define pmdp_establish generic_pmdp_establish
+
#define has_transparent_hugepage has_transparent_hugepage
extern int has_transparent_hugepage(void);
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
asm-generic-provide-generic_pmdp_establish.patch
arc-use-generic_pmdp_establish-as-pmdp_establish.patch
arm-mm-provide-pmdp_establish-helper.patch
mips-use-generic_pmdp_establish-as-pmdp_establish.patch
x86-mm-provide-pmdp_establish-helper.patch
mm-do-not-lose-dirty-and-access-bits-in-pmdp_invalidate.patch
mm-use-updated-pmdp_invalidate-interface-to-track-dirty-accessed-bits.patch
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