+ zsmalloc-document-freeable-stats.patch added to mm-unstable branch

+ zsmalloc-document-freeable-stats.patch added to mm-unstable branch

[Andrew Morton]

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

 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@chromium.org 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

Re: + zsmalloc-document-freeable-stats.patch added to mm-unstable branch

[Sergey Senozhatsky]

On (23/03/25 12:53), Andrew Morton wrote:
> 
> 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@chromium.org
> Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
> Cc: Minchan Kim <minchan@kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Fixes: 1120ed548394 ("mm/zsmalloc: add `freeable' column to pool stat")