--- arch/arm/mm/copypage-v6.c

+++ arch/arm/mm/copypage-v6.c

@@ -41,7 +41,6 @@ static void v6_copy_user_highpage_nonali

kfrom = kmap_atomic(from, KM_USER0);

kto = kmap_atomic(to, KM_USER1);

copy_page(kto, kfrom);

- __cpuc_flush_dcache_area(kto, PAGE_SIZE);

kunmap_atomic(kto, KM_USER1);

kunmap_atomic(kfrom, KM_USER0);

}