Cc-ing Andrew on this
On (23/10/07 15:05), Mark-PK Tsai wrote:
> 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>
Reviewed-by: Sergey Senozhatsky <senozhatsky@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
