[PATCH 09/31] sched, numa, mm, MIPS/thp: Add pmd_pgprot() implementation

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From: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

Add the pmd_pgprot() method that will be needed
by the new NUMA code.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/mips/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index c02158b..bbe4cda 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -89,6 +89,8 @@ static inline int is_zero_pfn(unsigned long pfn)
 
 extern void paging_init(void);
 
+#define pmd_pgprot(x)		__pgprot(pmd_val(x) & ~_PAGE_CHG_MASK)
+
 /*
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
-- 
1.7.11.7

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