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-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 aea5da723596..2e455f82a4d5 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -19,6 +19,7 @@
19#include <asm/page.h> 19#include <asm/page.h>
20#include <asm/pgtable.h> 20#include <asm/pgtable.h>
21#include <asm/tlbflush.h> 21#include <asm/tlbflush.h>
22#include <asm/cacheflush.h>
22 23
23#include "mm.h" 24#include "mm.h"
24 25
@@ -91,6 +92,11 @@ mc_copy_user_page(void *from, void *to)
91 92
92void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) 93void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
93{ 94{
95 struct page *page = virt_to_page(kfrom);
96
97 if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
98 __flush_dcache_page(page_mapping(page), page);
99
94 spin_lock(&minicache_lock); 100 spin_lock(&minicache_lock);
95 101
96 set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0); 102 set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);