Messages in this thread Patch in this message | | | From | Mark-PK Tsai <> | Subject | [PATCH] zram: use copy_page for full page copy | Date | Sat, 7 Oct 2023 15:05:53 +0800 |
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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@mediatek.com> --- 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
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