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-rw-r--r--arch/arm/mm/copypage-v6.c6
-rw-r--r--include/asm-arm/cacheflush.h3
2 files changed, 5 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 /*
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index 09ffeed507c2..035cdcff43d2 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -16,6 +16,9 @@
16 16
17#include <asm/mman.h> 17#include <asm/mman.h>
18#include <asm/glue.h> 18#include <asm/glue.h>
19#include <asm/shmparam.h>
20
21#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
19 22
20/* 23/*
21 * Cache Model 24 * Cache Model