+ docs-abi-zram-document-zram-recompress-sysfs-knobs.patch added to mm-unstable branch

+ docs-abi-zram-document-zram-recompress-sysfs-knobs.patch added to mm-unstable branch

[Andrew Morton]

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

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------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
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@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@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.
_

Patches currently in -mm which might be from senozhatsky@chromium.org 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