Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755038AbdC3FjM (ORCPT ); Thu, 30 Mar 2017 01:39:12 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:34961 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754861AbdC3FjL (ORCPT ); Thu, 30 Mar 2017 01:39:11 -0400 From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com To: Andrew Morton Cc: Minchan Kim , Sergey Senozhatsky , linux-kernel@vger.kernel.org, kernel-team@lge.com, Joonsoo Kim Subject: [PATCH v2 0/4] zram: implement deduplication in zram Date: Thu, 30 Mar 2017 14:38:05 +0900 Message-Id: <1490852289-11913-1-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1287 Lines: 35 From: Joonsoo Kim Changes from v1 o reogranize dedup specific functions o support Kconfig on/off o update zram documents o compare all the entries with same checksum (patch #4) This patchset implements deduplication feature in zram. Motivation is to save memory usage by zram. There are detailed description about motivation and experimental results on patch #2 so please refer it. Thanks. Joonsoo Kim (4): zram: introduce zram_entry to prepare dedup functionality zram: implement deduplication in zram zram: make deduplication feature optional zram: compare all the entries with same checksum for deduplication Documentation/ABI/testing/sysfs-block-zram | 10 + Documentation/blockdev/zram.txt | 3 + drivers/block/zram/Kconfig | 14 ++ drivers/block/zram/Makefile | 3 +- drivers/block/zram/zram_dedup.c | 288 +++++++++++++++++++++++++++++ drivers/block/zram/zram_dedup.h | 56 ++++++ drivers/block/zram/zram_drv.c | 170 +++++++++++++---- drivers/block/zram/zram_drv.h | 25 ++- 8 files changed, 535 insertions(+), 34 deletions(-) create mode 100644 drivers/block/zram/zram_dedup.c create mode 100644 drivers/block/zram/zram_dedup.h -- 2.7.4