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Subject[PATCH] mm: memcontrol: Set the correct memcg swappiness restriction
Date
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.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6580c23..988fc94 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4046,7 +4046,7 @@ 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))
--
1.8.3.1
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