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authorBaolin Wang <baolin.wang@linux.alibaba.com>2021-09-02 14:55:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-03 09:58:13 -0700
commit37bc3cb9bbef86d1ddbbc789e55b588c8a2cac26 (patch)
treefb84926d1f7ae1b6f6297b71e923e9cab0c6dfca /mm/memcontrol.c
parent55a68c823951855f3ec313fdb85100db84284505 (diff)
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@linux.alibaba.com Fixes: c843966c556d ("mm: allow swappiness that prefers reclaiming anon over the file workingset") Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b09f2639f28b..80840e026c2f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4062,7 +4062,7 @@ static int mem_cgroup_swappiness_write(struct cgroup_subsys_state *css,
{
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
- if (val > 100)
+ if (val > 200)
return -EINVAL;
if (!mem_cgroup_is_root(memcg))