1 files changed, 17 insertions, 6 deletions

diff --git a/arch/arm/mm/copypage-v4wt.c b/arch/arm/mm/copypage-v4wt.c
index d8ef39503ff..86c2cfdbde0 100644
--- a/arch/arm/mm/copypage-v4wt.c
+++ b/arch/arm/mm/copypage-v4wt.c
@@ -11,18 +11,17 @@
  *  the only supported cache operation.
  */
 #include <linux/init.h>
-
-#include <asm/page.h>
+#include <linux/highmem.h>
 
 /*
- * ARMv4 optimised copy_user_page
+ * ARMv4 optimised copy_user_highpage
  *
  * Since we have writethrough caches, we don't have to worry about
  * dirty data in the cache.  However, we do have to ensure that
  * subsequent reads are up to date.
  */
-void __attribute__((naked))
-v4wt_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
+static void __attribute__((naked))
+v4wt_copy_user_page(void *kto, const void *kfrom)
 {
         asm("\
         stmfd   sp!, {r4, lr}                   @ 2\n\
@@ -44,6 +43,18 @@ v4wt_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
         : "I" (PAGE_SIZE / 64));
 }
 
+void v4wt_copy_user_highpage(struct page *to, struct page *from,
+        unsigned long vaddr)
+{
+        void *kto, *kfrom;
+
+        kto = kmap_atomic(to, KM_USER0);
+        kfrom = kmap_atomic(from, KM_USER1);
+        v4wt_copy_user_page(kto, kfrom);
+        kunmap_atomic(kfrom, KM_USER1);
+        kunmap_atomic(kto, KM_USER0);
+}
+
 /*
  * ARMv4 optimised clear_user_page
  *
@@ -73,5 +84,5 @@ v4wt_clear_user_page(void *kaddr, unsigned long vaddr)
 
 struct cpu_user_fns v4wt_user_fns __initdata = {
         .cpu_clear_user_page    = v4wt_clear_user_page,
-        .cpu_copy_user_page     = v4wt_copy_user_page,
+        .cpu_copy_user_highpage = v4wt_copy_user_highpage,
 };