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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 <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2016-04-29 23:25:46 +10:00 committed by Michael Ellerman
parent 945537df7a
commit d2cf005038
1 changed files with 2 additions and 4 deletions
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6
arch/powerpc/include/asm/book3s/64/hash.h
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@ -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