From: Huan Yang <link@vivo.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>, Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Jonathan Corbet <corbet@lwn.net>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Shakeel Butt <shakeelb@google.com>,
Muchun Song <muchun.song@linux.dev>,
David Hildenbrand <david@redhat.com>,
Matthew Wilcox <willy@infradead.org>,
Huang Ying <ying.huang@intel.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Peter Xu <peterx@redhat.com>,
"Vishal Moola (Oracle)" <vishal.moola@gmail.com>,
Yosry Ahmed <yosryahmed@google.com>,
Liu Shixin <liushixin2@huawei.com>,
Hugh Dickins <hughd@google.com>,
cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
opensource.kernel@vivo.com
Subject: Re: [RFC 0/4] Introduce unbalance proactive reclaim
Date: Thu, 9 Nov 2023 09:58:42 +0800 [thread overview]
Message-ID: <b0d11a27-972a-4318-90b1-77e5eab4f0b8@vivo.com> (raw)
In-Reply-To: <20231108081419.1c31f74de8e7fce24f85c967@linux-foundation.org>
在 2023/11/9 0:14, Andrew Morton 写道:
> [Some people who received this message don't often get email from akpm@linux-foundation.org. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>
> On Wed, 8 Nov 2023 14:58:11 +0800 Huan Yang <link@vivo.com> wrote:
>
>> For example, when an application is pushed to the background and frozen,
>> it may not be opened for a long time, and we can safely reclaim the
>> application's anonymous pages, but we do not want to touch the file pages.
> This paragraph is key to the entire patchset and it would benefit from
> some expanding upon.
>
> If the application is dormant, why on earth would we want to evict its
> text but keep its data around?
In fact, we currently use this method to only reclaim application
anonymous pages,
because we believe that the refault cost of reclaiming anonymous pages
is relatively
small, especially when using zram and only proactively reclaiming the
anonymous
pages of frozen applications.
prev parent reply other threads:[~2023-11-09 1:58 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-08 6:58 Huan Yang
2023-11-08 6:58 ` [PATCH 1/4] mm: vmscan: LRU unbalance cgroup reclaim Huan Yang
2023-11-08 6:58 ` [PATCH 2/4] mm: multi-gen LRU: MGLRU unbalance reclaim Huan Yang
2023-11-08 12:34 ` kernel test robot
2023-11-09 11:08 ` kernel test robot
2023-12-04 6:53 ` Dan Carpenter
2023-11-08 6:58 ` [PATCH 3/4] mm: memcg: implement unbalance proactive reclaim Huan Yang
2023-11-08 6:58 ` [PATCH 4/4] mm: memcg: apply proactive reclaim into cgroupv1 Huan Yang
2023-11-08 21:06 ` kernel test robot
2023-11-08 7:35 ` [RFC 0/4] Introduce unbalance proactive reclaim Huang, Ying
2023-11-08 7:53 ` Huan Yang
2023-11-08 8:09 ` Huang, Ying
2023-11-08 8:14 ` Yosry Ahmed
2023-11-08 8:21 ` Huan Yang
2023-11-08 9:00 ` Yosry Ahmed
2023-11-08 9:05 ` Huan Yang
2023-11-08 8:00 ` Yosry Ahmed
2023-11-08 8:26 ` Huan Yang
2023-11-08 8:59 ` Yosry Ahmed
2023-11-08 9:12 ` Huan Yang
2023-11-08 14:06 ` Michal Hocko
2023-11-09 1:56 ` Huan Yang
2023-11-09 3:15 ` Huang, Ying
2023-11-09 3:38 ` Huan Yang
2023-11-09 9:57 ` Michal Hocko
2023-11-09 10:29 ` Huan Yang
2023-11-09 10:39 ` Michal Hocko
2023-11-09 10:50 ` Huan Yang
2023-11-09 12:40 ` Michal Hocko
2023-11-09 13:07 ` Huan Yang
2023-11-09 13:46 ` Michal Hocko
2023-11-10 3:48 ` Huan Yang
2023-11-10 12:24 ` Michal Hocko
2023-11-13 2:17 ` Huan Yang
2023-11-13 6:10 ` Huang, Ying
2023-11-13 6:28 ` Huan Yang
2023-11-13 8:05 ` Huang, Ying
2023-11-13 8:26 ` Huan Yang
2023-11-14 9:54 ` Michal Hocko
2023-11-14 9:56 ` Michal Hocko
2023-11-15 6:52 ` Huang, Ying
2023-11-14 9:50 ` Michal Hocko
2023-11-10 1:19 ` Huang, Ying
2023-11-10 2:44 ` Huan Yang
2023-11-10 4:00 ` Huang, Ying
2023-11-10 6:21 ` Huan Yang
2023-11-10 12:32 ` Michal Hocko
2023-11-13 1:54 ` Huan Yang
2023-11-14 10:04 ` Michal Hocko
2023-11-14 12:37 ` Huan Yang
2023-11-14 13:03 ` Michal Hocko
2023-11-15 2:11 ` Huan Yang
2023-11-09 9:53 ` Michal Hocko
2023-11-09 10:55 ` Huan Yang
2023-11-09 12:45 ` Michal Hocko
2023-11-09 13:10 ` Huan Yang
2023-11-08 16:14 ` Andrew Morton
2023-11-09 1:58 ` Huan Yang [this message]
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