The patch titled
Subject: zsmalloc: document freeable stats
has been added to the -mm mm-unstable branch. Its filename is
zsmalloc-document-freeable-stats.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zsmalloc-document-freeable-stats.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@xxxxxxxxxxxx>
Subject: zsmalloc: document freeable stats
Date: Sat, 25 Mar 2023 11:46:31 +0900
When freeable class stat was added to classes file (back in 2016) we
forgot to update zsmalloc documentation. Fix that.
Link: https://lkml.kernel.org/r/20230325024631.2817153-3-senozhatsky@xxxxxxxxxxxx
Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/mm/zsmalloc.rst | 2 ++
1 file changed, 2 insertions(+)
--- a/Documentation/mm/zsmalloc.rst~zsmalloc-document-freeable-stats
+++ a/Documentation/mm/zsmalloc.rst
@@ -83,6 +83,8 @@ pages_used
the number of pages allocated for the class
pages_per_zspage
the number of 0-order pages to make a zspage
+freeable
+ the approximate number of pages class compaction can free
Each zspage maintains inuse counter which keeps track of the number of
objects stored in the zspage. The inuse counter determines the zspage's
_
Patches currently in -mm which might be from senozhatsky@xxxxxxxxxxxx are
zsmalloc-remove-insert_zspage-inuse-optimization.patch
zsmalloc-fine-grained-inuse-ratio-based-fullness-grouping.patch
zsmalloc-rework-compaction-algorithm.patch
zsmalloc-show-per-fullness-group-class-stats.patch
zsmalloc-document-new-fullness-grouping.patch
zsmalloc-document-freeable-stats.patch
