Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751183AbdHXBte (ORCPT ); Wed, 23 Aug 2017 21:49:34 -0400 Received: from mail-pg0-f66.google.com ([74.125.83.66]:35795 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751003AbdHXBtc (ORCPT ); Wed, 23 Aug 2017 21:49:32 -0400 From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky To: Minchan Kim , Andrew Morton Cc: linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCH] zram: add zstd to the supported algorithms list Date: Thu, 24 Aug 2017 10:49:36 +0900 Message-Id: <20170824014936.4738-1-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.14.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1152 Lines: 37 Add ZSTD to the list of supported compression algorithms. Official benchmarks [1]: Compressor name Ratio Compression Decompress. zstd 1.1.3 -1 2.877 430 MB/s 1110 MB/s zlib 1.2.8 -1 2.743 110 MB/s 400 MB/s brotli 0.5.2 -0 2.708 400 MB/s 430 MB/s quicklz 1.5.0 -1 2.238 550 MB/s 710 MB/s lzo1x 2.09 -1 2.108 650 MB/s 830 MB/s lz4 1.7.5 2.101 720 MB/s 3600 MB/s snappy 1.1.3 2.091 500 MB/s 1650 MB/s lzf 3.6 -1 2.077 400 MB/s 860 MB/s [1] https://github.com/facebook/zstd Signed-off-by: Sergey Senozhatsky --- drivers/block/zram/zcomp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c index 5b8992beffec..cc66daec7bbc 100644 --- a/drivers/block/zram/zcomp.c +++ b/drivers/block/zram/zcomp.c @@ -31,6 +31,9 @@ static const char * const backends[] = { #endif #if IS_ENABLED(CONFIG_CRYPTO_842) "842", +#endif +#if IS_ENABLED(CONFIG_CRYPTO_ZSTD) + "zstd", #endif NULL }; -- 2.14.1