Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Mon, 3 Dec 2018 12:57:36 +0100
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
Message-ID: <20181203115736.GQ31738@dhcp22.suse.cz>
References: <20181203080119.18989-1-xlpang@linux.alibaba.com>
 <20181203080119.18989-3-xlpang@linux.alibaba.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20181203080119.18989-3-xlpang@linux.alibaba.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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