Commit 618a8a91 authored Mar 25, 2023 by Sergey Senozhatsky Committed by Andrew Morton Apr 05, 2023

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: 1120ed54 ("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>

parent 119b57ea

Documentation/mm/zsmalloc.rst

+2 −0

Original line number	Diff line number	Diff line
		@@ -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