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| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2023-03-25 03:46:31 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-06 03:06:23 +0200 |
| commit | 618a8a917dbf5830e2064d2fa0568940eb5d2584 (patch) | |
| tree | c08dda406ba264989face36044b0b560721d0889 /Documentation | |
| parent | zsmalloc: document new fullness grouping (diff) | |
| download | linux-618a8a917dbf5830e2064d2fa0568940eb5d2584.tar.xz linux-618a8a917dbf5830e2064d2fa0568940eb5d2584.zip | |
zsmalloc: document freeable stats
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
Fixes: 1120ed548394 ("mm/zsmalloc: add `freeable' column to pool stat")
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/mm/zsmalloc.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/mm/zsmalloc.rst b/Documentation/mm/zsmalloc.rst index 3c6bf639887f..a3c26d587752 100644 --- a/Documentation/mm/zsmalloc.rst +++ b/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 |