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authorGavin Shan <gwshan@linux.vnet.ibm.com>2014-11-12 13:29:28 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2014-11-12 13:54:36 +1100
commitd1d5304fcbc519f5fb12cbcca9c4fdd1d94447d7 (patch)
tree11a6abadaeb8baf59b188da1726b90a660c7f227 /arch/powerpc/mm
parentcd32e2dcc9de6c27ecbbfc0e2079fb64b42bad5f (diff)
downloadlinux-d1d5304fcbc519f5fb12cbcca9c4fdd1d94447d7.tar.gz
powerpc/mm: Use PAGE_FACTOR
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@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/hash_low_64.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index 057cbbb4c576..5094f32b706e 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@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@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