The patch titled Subject: mm: memcontrol: set the correct memcg swappiness restriction has been added to the -mm tree. Its filename is mm-memcontrol-set-the-correct-memcg-swappiness-restriction.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-memcontrol-set-the-correct-memcg-swappiness-restriction.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcontrol-set-the-correct-memcg-swappiness-restriction.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Subject: mm: memcontrol: set the correct memcg swappiness restriction Since commit c843966c556d ("mm: allow swappiness that prefers reclaiming anon over the file workingset") has expended the swappiness value to make swap to be preferred in some systems. We should also change the memcg swappiness restriction to allow memcg swap-preferred. Link: https://lkml.kernel.org/r/d77469b90c45c49953ccbc51e54a1d465bc18f70.1627626255.git.baolin.wang@xxxxxxxxxxxxxxxxx Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memcontrol.c~mm-memcontrol-set-the-correct-memcg-swappiness-restriction +++ a/mm/memcontrol.c @@ -4060,7 +4060,7 @@ static int mem_cgroup_swappiness_write(s { struct mem_cgroup *memcg = mem_cgroup_from_css(css); - if (val > 100) + if (val > 200) return -EINVAL; if (!mem_cgroup_is_root(memcg)) _ Patches currently in -mm which might be from baolin.wang@xxxxxxxxxxxxxxxxx are mm-memcontrol-set-the-correct-memcg-swappiness-restriction.patch mm-mempolicy-use-readable-numa_no_node-macro-instead-of-magic-numer.patch