From: Aneesh Kumar K.V Date: Tue, 1 Dec 2015 03:36:56 +0000 (+0530) Subject: powerpc/mm: Don't hardcode the hash pte slot shift X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4d9057c39aceb3a94ccb6005f4433a0105e60521;p=linux-beck.git powerpc/mm: Don't hardcode the hash pte slot shift Use the #define instead of open-coding the same Signed-off-by: Aneesh Kumar K.V Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index cca050aa1aa8..9f9942998587 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -94,7 +94,7 @@ static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index) { if ((pte_val(rpte.pte) & _PAGE_COMBO)) return (rpte.hidx >> (index<<2)) & 0xf; - return (pte_val(rpte.pte) >> 12) & 0xf; + return (pte_val(rpte.pte) >> _PAGE_F_GIX_SHIFT) & 0xf; } #define __rpte_to_pte(r) ((r).pte) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index bb97b6a52b84..a2d4e0e37067 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -50,7 +50,7 @@ #define __real_pte(e,p) (e) #define __rpte_to_pte(r) (__pte(r)) #endif -#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> 12) +#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >>_PAGE_F_GIX_SHIFT) #define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ do { \ diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index d635a924d652..03c226965b46 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -121,7 +121,7 @@ #define __real_pte(e,p) (e) #define __rpte_to_pte(r) (__pte(r)) #endif -#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> 12) +#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> _PAGE_F_GIX_SHIFT) #define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ do { \