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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-06-20 06:31:09 -0400
committerRussell King <rmk@dyn-67.arm.linux.org.uk>2005-06-20 06:31:09 -0400
commitb8a9b66fbee09d0cc71c272b5c1d1f3320afbbf0 (patch)
tree25be8fc2ef91f6dcbb7f7dd2b9e3db2a95963477 /arch/arm
parent8830f04a092b47f3d246271b24685cd9eab82027 (diff)
[PATCH] ARM: Add common CACHE_COLOUR macro
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mm/copypage-v6.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index a8c00236bd3d..27d041574ea7 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -30,8 +30,6 @@
30 30
31static DEFINE_SPINLOCK(v6_lock); 31static DEFINE_SPINLOCK(v6_lock);
32 32
33#define DCACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
34
35/* 33/*
36 * Copy the user page. No aliasing to deal with so we can just 34 * Copy the user page. No aliasing to deal with so we can just
37 * attack the kernel's existing mapping of these pages. 35 * attack the kernel's existing mapping of these pages.
@@ -55,7 +53,7 @@ void v6_clear_user_page_nonaliasing(void *kaddr, unsigned long vaddr)
55 */ 53 */
56void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr) 54void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr)
57{ 55{
58 unsigned int offset = DCACHE_COLOUR(vaddr); 56 unsigned int offset = CACHE_COLOUR(vaddr);
59 unsigned long from, to; 57 unsigned long from, to;
60 58
61 /* 59 /*
@@ -95,7 +93,7 @@ void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vadd
95 */ 93 */
96void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr) 94void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr)
97{ 95{
98 unsigned int offset = DCACHE_COLOUR(vaddr); 96 unsigned int offset = CACHE_COLOUR(vaddr);
99 unsigned long to = to_address + (offset << PAGE_SHIFT); 97 unsigned long to = to_address + (offset << PAGE_SHIFT);
100 98
101 /* 99 /*