diff options
| author | Sergey Senozhatsky | 2023-03-25 11:46:31 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-04-13 16:55:35 +0200 |
| commit | 0d33aa43516a27d3e47f98d36a1da940fd2a4352 (patch) | |
| tree | ef721d59ff67ef376de907870bfae8422daea6d5 /Documentation | |
| parent | dc48648699c77571de09f490051ca0fbafeb7c9d (diff) | |
zsmalloc: document freeable stats
commit 618a8a917dbf5830e2064d2fa0568940eb5d2584 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 6e79893d6132..d98607aa9c1f 100644 --- a/Documentation/mm/zsmalloc.rst +++ b/Documentation/mm/zsmalloc.rst @@ -68,6 +68,8 @@ 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 We assign a zspage to ZS_ALMOST_EMPTY fullness group when n <= N / f, where |