Commit 8de01da3 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
Browse files

x86: unify pte_same 



Impact: cleanup

Unify and demacro pte_same.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent a034a010

arch/x86/include/asm/pgtable-3level.h

+0 −6
Original line number Diff line number Diff line
@@ -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.

arch/x86/include/asm/pgtable.h

+6 −0
Original line number Diff line number Diff line
@@ -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

arch/x86/include/asm/pgtable_64.h

+0 −2
Original line number Diff line number Diff line
@@ -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)