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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2015-12-01 09:06:56 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2015-12-14 15:19:15 +1100
commit4d9057c39aceb3a94ccb6005f4433a0105e60521 (patch)
tree813f298f99c184c442c244edac532f613b0f5a60 /arch/powerpc
parent62607bc64c5cbb8d9b330da4be34c6d5302348af (diff)
downloadlinux-4d9057c39aceb3a94ccb6005f4433a0105e60521.tar.gz
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 <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-64k.h2
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h2
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable.h2
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 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 { \