[PATCH V2 02/10] powerpc/mm: Don't hardcode the hash pte slot shift
From: Aneesh Kumar K.V <hidden>
Date: 2015-11-23 10:34:55
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
Use the #define instead of open-coding the same Signed-off-by: Aneesh Kumar K.V <redacted> --- arch/powerpc/include/asm/book3s/64/hash-64k.h | 2 +- arch/powerpc/include/asm/book3s/64/pgtable.h | 2 +- arch/powerpc/include/asm/nohash/64/pgtable.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index 565f9418c25f..681657cabbe4 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h@@ -71,7 +71,7 @@ static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index) { if ((pte_val(rpte.pte) & _PAGE_COMBO)) return (unsigned long) rpte.hidx[index] >> 4; - return (pte_val(rpte.pte) >> 12) & 0xf; + return (pte_val(rpte.pte) >> _PAGE_F_GIX_SHIFT) & 0xf; } static inline pte_t __rpte_to_pte(real_pte_t rpte)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 0b43ca60dcb9..64ef7316ff88 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(a,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 c4dff4d41c26..8969b4c93c4f 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(a,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 { \
--
2.5.0