Docs/ABI/damon: update for tried_regions/total_bytes

Update the DAMON ABI document for newly added
schemes/.../tried_regions/total_bytes file and the
update_schemes_tried_bytes command.

Link: https://lkml.kernel.org/r/20230802213222.109841-5-sj@kernel.orgSigned-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Documentation/ABI/testing/sysfs-kernel-mm-damon

@@ -29,8 +29,10 @@ Description:	Writing 'on' or 'off' to this file makes the kdamond starts or
 		file updates contents of schemes stats files of the kdamond.
 		Writing 'update_schemes_tried_regions' to the file updates
 		contents of 'tried_regions' directory of every scheme directory
-		of this kdamond.  Writing 'clear_schemes_tried_regions' to the
-		file removes contents of the 'tried_regions' directory.
+		of this kdamond.  Writing 'update_schemes_tried_bytes' to the
+		file updates only '.../tried_regions/total_bytes' files of this
+		kdamond.  Writing 'clear_schemes_tried_regions' to the file
+		removes contents of the 'tried_regions' directory.
 
 What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/pid
 Date:		Mar 2022
@@ -317,6 +319,13 @@ Contact:	SeongJae Park <sj@kernel.org>
 Description:	Reading this file returns the number of the exceed events of
 		the scheme's quotas.
 
+What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/total_bytes
+Date:		Jul 2023
+Contact:	SeongJae Park <sj@kernel.org>
+Description:	Reading this file returns the total amount of memory that
+		corresponding DAMON-based Operation Scheme's action has tried
+		to be applied.
+
 What:		/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/start
 Date:		Oct 2022
 Contact:	SeongJae Park <sj@kernel.org>