The patch titled Subject: mm: remove EXPERIMENTAL flag for zswap has been added to the -mm mm-unstable branch. Its filename is mm-remove-experimental-flag-for-zswap.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-experimental-flag-for-zswap.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: David Heidelberg <david@xxxxxxx> Subject: mm: remove EXPERIMENTAL flag for zswap Date: Tue, 23 Aug 2022 17:20:33 +0200 zswap has been with us since 2013, and it's widely used in many products. Link: https://lkml.kernel.org/r/20220823152033.66682-1-david@xxxxxxx Signed-off-by: David Heidelberg <david@xxxxxxx> Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Cc: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx> Cc: Dan Streetman <ddstreet@xxxxxxxx> Cc: Barry Song <song.bao.hua@xxxxxxxxxxxxx> Cc: Seth Jennings <sjenning@xxxxxxxxxx> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/Kconfig | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) --- a/mm/Kconfig~mm-remove-experimental-flag-for-zswap +++ a/mm/Kconfig @@ -23,7 +23,7 @@ menuconfig SWAP in your computer. If unsure say Y. config ZSWAP - bool "Compressed cache for swap pages (EXPERIMENTAL)" + bool "Compressed cache for swap pages" depends on SWAP select FRONTSWAP select CRYPTO @@ -36,12 +36,6 @@ config ZSWAP in the case where decompressing from RAM is faster than swap device reads, can also improve workload performance. - This is marked experimental because it is a new feature (as of - v3.11) that interacts heavily with memory reclaim. While these - interactions don't cause any known issues on simple memory setups, - they have not be fully explored on the large set of potential - configurations and workloads that exist. - config ZSWAP_DEFAULT_ON bool "Enable the compressed cache for swap pages by default" depends on ZSWAP _ Patches currently in -mm which might be from david@xxxxxxx are mm-remove-experimental-flag-for-zswap.patch