From: Joonsoo Kim <iamjoonsoo....@lge.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
