linux-kernel - [PATCH v2 0/4] zram: implement deduplication in zram

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Message-Id: <1490852289-11913-1-git-send-email-iamjoonsoo.kim@lge.com>
Date:   Thu, 30 Mar 2017 14:38:05 +0900
From:   js1304@...il.com
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Minchan Kim <minchan@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-kernel@...r.kernel.org, kernel-team@....com,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: [PATCH v2 0/4] zram: implement deduplication in zram

From: Joonsoo Kim <iamjoonsoo.kim@....com>

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