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From: Michal Hocko <mhocko@kernel.org>
To: Xunlei Pang <xlpang@linux.alibaba.com>
Cc: Roman Gushchin <guro@fb.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 3/3] mm/memcg: Avoid reclaiming below hard protection
Date: Mon, 3 Dec 2018 12:57:36 +0100	[thread overview]
Message-ID: <20181203115736.GQ31738@dhcp22.suse.cz> (raw)
In-Reply-To: <20181203080119.18989-3-xlpang@linux.alibaba.com>

On Mon 03-12-18 16:01:19, Xunlei Pang wrote:
> When memcgs get reclaimed after its usage exceeds min, some
> usages below the min may also be reclaimed in the current
> implementation, the amount is considerably large during kswapd
> reclaim according to my ftrace results.

And here again. Describe the setup and the behavior please?

-- 
Michal Hocko
SUSE Labs

  reply	other threads:[~2018-12-03 11:57 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03  8:01 [PATCH 1/3] mm/memcg: Fix min/low usage in propagate_protected_usage() Xunlei Pang
2018-12-03  8:01 ` [PATCH 2/3] mm/vmscan: Enable kswapd to reclaim low-protected memory Xunlei Pang
2018-12-03 11:56   ` Michal Hocko
2018-12-03 15:20     ` Xunlei Pang
2018-12-03 17:22       ` Michal Hocko
2018-12-04  2:40         ` Xunlei Pang
2018-12-04  7:25           ` Michal Hocko
2018-12-04  8:44             ` Xunlei Pang
2018-12-03  8:01 ` [PATCH 3/3] mm/memcg: Avoid reclaiming below hard protection Xunlei Pang
2018-12-03 11:57   ` Michal Hocko [this message]
2018-12-04  2:53     ` Xunlei Pang
2018-12-03 11:54 ` [PATCH 1/3] mm/memcg: Fix min/low usage in propagate_protected_usage() Michal Hocko
2018-12-03 14:49   ` Xunlei Pang
2018-12-03 18:00 ` Roman Gushchin
2018-12-05  8:58   ` Xunlei Pang
2018-12-05 23:11     ` Roman Gushchin

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