Messages in this thread | | | From | js1304@gmail ... | Subject | [PATCH v3 0/4] zram: implement deduplication in zram | Date | Fri, 21 Apr 2017 10:14:47 +0900 |
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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
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