From: Sergey Senozhatsky senozhatsky@chromium.org
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 --- Documentation/mm/zsmalloc.rst | 2 ++ 1 file changed, 2 insertions(+)
--- 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