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authorH. Peter Anvin <hpa@zytor.com>2010-04-29 16:53:17 -0700
committerH. Peter Anvin <hpa@zytor.com>2010-04-29 16:53:17 -0700
commitd9c5841e22231e4e49fd0a1004164e6fce59b7a6 (patch)
treee1f589c46b3ff79bbe7b1b2469f6362f94576da6 /arch/arm/mm/copypage-v6.c
parentb701a47ba48b698976fb2fe05fb285b0edc1d26a (diff)
parent5967ed87ade85a421ef814296c3c7f182b08c225 (diff)
Merge branch 'x86/asm' into x86/atomic
Merge reason: Conflict between LOCK_PREFIX_HERE and relative alternatives pointers Resolved Conflicts: arch/x86/include/asm/alternative.h arch/x86/kernel/alternative.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/arm/mm/copypage-v6.c')
-rw-r--r--arch/arm/mm/copypage-v6.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 0fa1319273d..f55fa1044f7 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -34,21 +34,14 @@ static DEFINE_SPINLOCK(v6_lock);
* attack the kernel's existing mapping of these pages.
*/
static void v6_copy_user_highpage_nonaliasing(struct page *to,
- struct page *from, unsigned long vaddr)
+ struct page *from, unsigned long vaddr, struct vm_area_struct *vma)
{
void *kto, *kfrom;
kfrom = kmap_atomic(from, KM_USER0);
kto = kmap_atomic(to, KM_USER1);
copy_page(kto, kfrom);
-#ifdef CONFIG_HIGHMEM
- /*
- * kmap_atomic() doesn't set the page virtual address, and
- * kunmap_atomic() takes care of cache flushing already.
- */
- if (page_address(to) != NULL)
-#endif
- __cpuc_flush_dcache_area(kto, PAGE_SIZE);
+ __cpuc_flush_dcache_area(kto, PAGE_SIZE);
kunmap_atomic(kto, KM_USER1);
kunmap_atomic(kfrom, KM_USER0);
}
@@ -81,7 +74,7 @@ static void discard_old_kernel_data(void *kto)
* Copy the page, taking account of the cache colour.
*/
static void v6_copy_user_highpage_aliasing(struct page *to,
- struct page *from, unsigned long vaddr)
+ struct page *from, unsigned long vaddr, struct vm_area_struct *vma)
{
unsigned int offset = CACHE_COLOUR(vaddr);
unsigned long kfrom, kto;