The patch titled Subject: Docs/ABI/zram: document zram recompress sysfs knobs has been added to the -mm mm-unstable branch. Its filename is docs-abi-zram-document-zram-recompress-sysfs-knobs.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/docs-abi-zram-document-zram-recompress-sysfs-knobs.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Subject: Docs/ABI/zram: document zram recompress sysfs knobs Date: Tue, 15 Nov 2022 11:03:14 +0900 Document zram re-compression sysfs knobs. Link: https://lkml.kernel.org/r/20221115020314.386235-1-senozhatsky@xxxxxxxxxxxx Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Nitin Gupta <ngupta@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-block-zram | 14 ++++++++++++++ 1 file changed, 14 insertions(+) --- a/Documentation/ABI/testing/sysfs-block-zram~docs-abi-zram-document-zram-recompress-sysfs-knobs +++ a/Documentation/ABI/testing/sysfs-block-zram @@ -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@xxxxxxxxxxxx> +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@xxxxxxxxxxxx> +Description: + The recompress file is write-only and triggers re-compression + with secondary compression algorithms. _ Patches currently in -mm which might be from senozhatsky@xxxxxxxxxxxx are zram-preparation-for-multi-zcomp-support.patch zram-add-recompression-algorithm-sysfs-knob.patch zram-factor-out-wb-and-non-wb-zram-read-functions.patch zram-introduce-recompress-sysfs-knob.patch zram-introduce-recompress-sysfs-knob-fix.patch zram-add-recompress-flag-to-read_block_state.patch zram-clarify-writeback_store-comment.patch zram-use-is_err_value-to-check-for-zs_malloc-errors.patch zram-remove-redundant-checks-from-zram_recompress.patch zram-add-algo-parameter-support-to-zram_recompress.patch documentation-add-zram-recompression-documentation.patch zram-add-incompressible-writeback.patch zram-add-incompressible-flag-to-read_block_state.patch docs-abi-zram-document-zram-recompress-sysfs-knobs.patch zram-remove-unused-stats-fields.patch