[PATCH] zram: use copy_page for full page copy

[Mark-PK Tsai <mark-pk.tsai@xxxxxxxxxxxx>]

Some architectures, such as arm, have implemented
optimized copy_page for full page copying.

Replace the full page memcpy with copy_page to
take advantage of the optimization.

Signed-off-by: Mark-PK Tsai <mark-pk.tsai@xxxxxxxxxxxx>
---
 drivers/block/zram/zram_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index d77d3664ca08..58700dd73d1d 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1338,7 +1338,7 @@ static int zram_read_from_zspool(struct zram *zram, struct page *page,
 	src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
 	if (size == PAGE_SIZE) {
 		dst = kmap_atomic(page);
-		memcpy(dst, src, PAGE_SIZE);
+		copy_page(dst, src);
 		kunmap_atomic(dst);
 		ret = 0;
 	} else {
-- 
2.18.0