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x86: unify pte_same 

Impact: cleanup

Unify and demacro pte_same.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
hifive-unleashed-5.1
Jeremy Fitzhardinge 2009-02-05 11:30:44 -08:00
parent a034a010f4
commit 8de01da35e
3 changed files with 6 additions and 8 deletions
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6
arch/x86/include/asm/pgtable-3level.h
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@ -145,12 +145,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *ptep)
#define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp)
#endif
#define __HAVE_ARCH_PTE_SAME
static inline int pte_same(pte_t a, pte_t b)
{
return a.pte_low == b.pte_low && a.pte_high == b.pte_high;
}
/*
* Bits 0, 6 and 7 are taken in the low part of the pte,
* put the 32 bits of offset into the high part.

6
arch/x86/include/asm/pgtable.h
View File

@ -434,6 +434,12 @@ static inline int pte_none(pte_t pte)
return !pte.pte;
}
#define __HAVE_ARCH_PTE_SAME
static inline int pte_same(pte_t a, pte_t b)
{
return a.pte == b.pte;
}
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32

2
arch/x86/include/asm/pgtable_64.h
View File

@ -134,8 +134,6 @@ static inline void native_pgd_clear(pgd_t *pgd)
native_set_pgd(pgd, native_make_pgd(0));
}
#define pte_same(a, b) ((a).pte == (b).pte)
#endif /* !__ASSEMBLY__ */
#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT)