From: Aneesh Kumar K.V Date: Fri, 29 Apr 2016 13:25:46 +0000 (+1000) Subject: powerpc/mm: Handle _PTE_NONE_MASK X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d2cf005038104cf383db1469a7f0bbb5b0368f33;p=linux-beck.git powerpc/mm: Handle _PTE_NONE_MASK 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 Signed-off-by: Michael Ellerman --- 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