[PATCH] powerpc/mm: Use PAGE_FACTOR

[Gavin Shan]

PAGE_FACTOR was defined to reflect the difference between configured
page size and fixed 4KB page size. Replace (PAGE_SHIFT - HW_PAGE_SHIFT)
with PAGE_FACTOR.

Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
---
 arch/powerpc/mm/hash_low_64.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index 057cbbb..5094f32 100644
--- a/arch/powerpc/mm/hash_low_64.S
+++ b/arch/powerpc/mm/hash_low_64.S
@@ -514,7 +514,7 @@ htab_insert_pte:
 	andis.	r0,r31,_PAGE_4K_PFN at h
 	srdi	r5,r31,PTE_RPN_SHIFT
 	bne-	htab_special_pfn
-	sldi	r5,r5,PAGE_SHIFT-HW_PAGE_SHIFT
+	sldi	r5,r5,PAGE_FACTOR
 	add	r5,r5,r25
 htab_special_pfn:
 	sldi	r5,r5,HW_PAGE_SHIFT
@@ -544,7 +544,7 @@ htab_call_hpte_insert1:
 	andis.	r0,r31,_PAGE_4K_PFN at h
 	srdi	r5,r31,PTE_RPN_SHIFT
 	bne-	3f
-	sldi	r5,r5,PAGE_SHIFT-HW_PAGE_SHIFT
+	sldi	r5,r5,PAGE_FACTOR
 	add	r5,r5,r25
 3:	sldi	r5,r5,HW_PAGE_SHIFT
 
-- 
1.8.3.2