1 files changed, 11 insertions, 13 deletions

diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 49592c780a6e..81bffc0d6860 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -50,26 +50,24 @@ extern unsigned long shm_align_mask;
 extern unsigned long max_low_pfn, min_low_pfn;
 extern unsigned long memory_start, memory_end;
 
-extern void clear_page(void *to);
+static inline unsigned long
+pages_do_alias(unsigned long addr1, unsigned long addr2)
+{
+        return (addr1 ^ addr2) & shm_align_mask;
+}
+
+
+#define clear_page(page)        memset((void *)(page), 0, PAGE_SIZE)
 extern void copy_page(void *to, void *from);
 
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
-        (defined(CONFIG_CPU_SH5) || defined(CONFIG_CPU_SH4) || \
-         defined(CONFIG_SH7705_CACHE_32KB))
 struct page;
 struct vm_area_struct;
-extern void clear_user_page(void *to, unsigned long address, struct page *page);
-extern void copy_user_page(void *to, void *from, unsigned long address,
-                           struct page *page);
-#if defined(CONFIG_CPU_SH4)
+
 extern void copy_user_highpage(struct page *to, struct page *from,
                                unsigned long vaddr, struct vm_area_struct *vma);
 #define __HAVE_ARCH_COPY_USER_HIGHPAGE
-#endif
-#else
-#define clear_user_page(page, vaddr, pg)        clear_page(page)
-#define copy_user_page(to, from, vaddr, pg)     copy_page(to, from)
-#endif
+extern void clear_user_highpage(struct page *page, unsigned long vaddr);
+#define clear_user_highpage     clear_user_highpage
 
 /*
  * These are used to make use of C type-checking..