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Docs/ABI/zram: document zram recompress sysfs knobs 

Document zram re-compression sysfs knobs.

Link: https://lkml.kernel.org/r/20221115020314.386235-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Sergey Senozhatsky 2022-11-15 11:03:14 +09:00 committed by Andrew Morton
parent 77db7bb56b
commit c959a0e8de
1 changed files with 14 additions and 0 deletions
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Documentation/ABI/testing/sysfs-block-zram
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@ -137,3 +137,17 @@ Description:
The writeback_limit file is read-write and specifies the maximum
amount of writeback ZRAM can do. The limit could be changed
in run time.
What: /sys/block/zram<id>/recomp_algorithm
Date: November 2022
Contact: Sergey Senozhatsky <senozhatsky@chromium.org>
Description:
The recomp_algorithm file is read-write and allows to set
or show secondary compression algorithms.
What: /sys/block/zram<id>/recompress
Date: November 2022
Contact: Sergey Senozhatsky <senozhatsky@chromium.org>
Description:
The recompress file is write-only and triggers re-compression
with secondary compression algorithms.