From: Hui Zhu <teawater@gmail.com>
To: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org, linux-mm@kvack.org
Cc: Hui Zhu <teawater@gmail.com>, Hui Zhu <teawaterz@linux.alibaba.com>
Subject: [RFC] memcg: Add swappiness to cgroup2
Date: Wed, 25 Dec 2019 13:36:48 +0800 [thread overview]
Message-ID: <1577252208-32419-1-git-send-email-teawater@gmail.com> (raw)
Even if cgroup2 has swap.max, swappiness is still a very useful config.
This commit add swappiness to cgroup2.
Signed-off-by: Hui Zhu <teawaterz@linux.alibaba.com>
---
mm/memcontrol.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c5b5f74..e966396 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -7143,6 +7143,11 @@ static struct cftype swap_files[] = {
.file_offset = offsetof(struct mem_cgroup, swap_events_file),
.seq_show = swap_events_show,
},
+ {
+ .name = "swappiness",
+ .read_u64 = mem_cgroup_swappiness_read,
+ .write_u64 = mem_cgroup_swappiness_write,
+ },
{ } /* terminate */
};
--
2.7.4
next reply other threads:[~2019-12-25 5:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-25 5:36 Hui Zhu [this message]
2019-12-25 14:05 ` [RFC] memcg: Add swappiness to cgroup2 Chris Down
2019-12-26 6:56 ` teawater
2020-01-03 9:48 ` Michal Koutný
2020-01-06 13:10 ` Michal Hocko
2020-01-06 13:24 ` Chris Down
2019-12-31 23:16 ` Andrew Morton
2020-01-02 1:44 ` teawater
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