aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mm/copypage-xscale.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mm/copypage-xscale.c')
-rw-r--r--arch/arm/mm/copypage-xscale.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index aea5da72359..2e455f82a4d 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -19,6 +19,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
#include "mm.h"
@@ -91,6 +92,11 @@ mc_copy_user_page(void *from, void *to)
void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
{
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
+
spin_lock(&minicache_lock);
set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);