[PATCH] Docs/ABI/zram: document zram recompress sysfs knobs

[Sergey Senozhatsky]

Document zram re-compression sysfs knobs.

Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-block-zram | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram
index 14b2bf2e5105..628a00fb20a9 100644
--- a/Documentation/ABI/testing/sysfs-block-zram
+++ b/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.
-- 
2.38.1.431.g37b22c650d-goog