From: js1304@gmail.com
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Minchan Kim <minchan@kernel.org>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
linux-kernel@vger.kernel.org, kernel-team@lge.com,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: [PATCH v3 0/4] zram: implement deduplication in zram
Date: Fri, 21 Apr 2017 10:14:47 +0900 [thread overview]
Message-ID: <1492737291-11455-1-git-send-email-iamjoonsoo.kim@lge.com> (raw)
From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Changes from v2
o rebase to latest zram code
o manage alloc/free of the zram_entry in zram_drv.c
o remove useless RB_CLEAR_NODE
o set RO permission tor use_deup sysfs entry if CONFIG_ZRAM_DEDUP=n
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 | 254 +++++++++++++++++++++++++++++
drivers/block/zram/zram_dedup.h | 45 +++++
drivers/block/zram/zram_drv.c | 184 +++++++++++++++++----
drivers/block/zram/zram_drv.h | 28 +++-
8 files changed, 503 insertions(+), 38 deletions(-)
create mode 100644 drivers/block/zram/zram_dedup.c
create mode 100644 drivers/block/zram/zram_dedup.h
--
2.7.4
next reply other threads:[~2017-04-21 1:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-21 1:14 js1304 [this message]
2017-04-21 1:14 ` [PATCH v3 1/4] zram: introduce zram_entry to prepare dedup functionality js1304
2017-04-21 1:14 ` [PATCH v3 2/4] zram: implement deduplication in zram js1304
2017-04-21 1:14 ` [PATCH v3 3/4] zram: make deduplication feature optional js1304
2017-04-25 6:51 ` Minchan Kim
2017-04-25 8:13 ` Joonsoo Kim
2017-04-25 10:24 ` Sergey Senozhatsky
2017-04-26 0:53 ` Joonsoo Kim
2017-04-21 1:14 ` [PATCH v3 4/4] zram: compare all the entries with same checksum for deduplication js1304
2017-04-25 6:53 ` [PATCH v3 0/4] zram: implement deduplication in zram Minchan Kim
2017-04-25 8:15 ` Joonsoo Kim
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