ARM: Pass VMA to copy_user_highpage() implementations

Our copy_user_highpage() implementations may require cache maintainence.
Ensure that implementations have all necessary details to perform this
maintainence.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/copypage-xscale.c

@@ -91,7 +91,7 @@ mc_copy_user_page(void *from, void *to)
 }
 
 void xscale_mc_copy_user_highpage(struct page *to, struct page *from,
-	unsigned long vaddr)
+	unsigned long vaddr, struct vm_area_struct *vma)
 {
 	void *kto = kmap_atomic(to, KM_USER1);