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zram: use copy_page for full page copy
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. Link: https://lkml.kernel.org/r/20231007070554.8657-1-mark-pk.tsai@mediatek.com Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Minchan Kim <minchan@kernel.org> Cc: YJ Chiang <yj.chiang@mediatek.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -1337,7 +1337,7 @@ static int zram_read_from_zspool(struct zram *zram, struct page *page,
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src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
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src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
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if (size == PAGE_SIZE) {
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if (size == PAGE_SIZE) {
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dst = kmap_local_page(page);
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dst = kmap_local_page(page);
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memcpy(dst, src, PAGE_SIZE);
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copy_page(dst, src);
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kunmap_local(dst);
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kunmap_local(dst);
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ret = 0;
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ret = 0;
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} else {
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} else {
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