[PATCH v3 23/70] powerpc/mm: Handle _PTE_NONE_MASK
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-04-29 13:27:02
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
From: "Aneesh Kumar K.V" <redacted> I am splitting this as a separate patch to get better review. If ok we should merge this with previous patch. Signed-off-by: Aneesh Kumar K.V <redacted> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/include/asm/book3s/64/hash.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index 556670212781..451617e437a2 100644
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h@@ -36,8 +36,7 @@ #endif #define _PAGE_SPECIAL 0x00400 /* software: special page */ #define H_PAGE_BUSY 0x00800 /* software: PTE & hash are busy */ - - +#define H_PTE_NONE_MASK _PAGE_HPTEFLAGS #define H_PAGE_F_GIX_SHIFT 57 #define H_PAGE_F_GIX (7ul << 57) /* HPTE index within HPTEG */ #define H_PAGE_F_SECOND (1ul << 60) /* HPTE is in 2ndary HPTEG */
@@ -134,7 +133,6 @@ #define _PTEIDX_SECONDARY 0x8 #define _PTEIDX_GROUP_IX 0x7 -#define _PTE_NONE_MASK _PAGE_HPTEFLAGS /* * _PAGE_CHG_MASK masks of bits that are to be preserved across * pgprot changes
@@ -379,7 +377,7 @@ static inline int pte_write(pte_t pte) { return !!(pte_val(pte) & _PAGE_WRITE); static inline int pte_dirty(pte_t pte) { return !!(pte_val(pte) & _PAGE_DIRTY); } static inline int pte_young(pte_t pte) { return !!(pte_val(pte) & _PAGE_ACCESSED); } static inline int pte_special(pte_t pte) { return !!(pte_val(pte) & _PAGE_SPECIAL); } -static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; } +static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~H_PTE_NONE_MASK) == 0; } static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); } #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
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2.5.0