#endif
+static inline void memcpy_page(struct page *dst_page, size_t dst_off,
+ struct page *src_page, size_t src_off,
+ size_t len)
+{
+ char *dst = kmap_local_page(dst_page);
+ char *src = kmap_local_page(src_page);
+
+ memcpy(dst + dst_off, src + src_off, len);
+ kunmap_local(src);
+ kunmap_local(dst);
+}
+
+static inline void memmove_page(struct page *dst_page, size_t dst_off,
+ struct page *src_page, size_t src_off,
+ size_t len)
+{
+ char *dst = kmap_local_page(dst_page);
+ char *src = kmap_local_page(src_page);
+
+ memmove(dst + dst_off, src + src_off, len);
+ kunmap_local(src);
+ kunmap_local(dst);
+}
+
+static inline void memset_page(struct page *page, size_t offset, int val,
+ size_t len)
+{
+ char *addr = kmap_local_page(page);
+
+ memset(addr + offset, val, len);
+ kunmap_local(addr);
+}
+
static inline void memcpy_from_page(char *to, struct page *page,
size_t offset, size_t len)
{