From: Matthew Wilcox <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Huangzhaoyang <huangzhaoyang@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Zhaoyang Huang <zhaoyang.huang@unisoc.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: skip current when memcg reclaim
Date: Sat, 16 Oct 2021 04:05:35 +0100 [thread overview]
Message-ID: <YWpBf2VUr/w507ak@casper.infradead.org> (raw)
In-Reply-To: <20211015130035.aacc18a4d1ee141b306c2272@linux-foundation.org>
On Fri, Oct 15, 2021 at 01:00:35PM -0700, Andrew Morton wrote:
> On Fri, 15 Oct 2021 14:15:29 +0800 Huangzhaoyang <huangzhaoyang@gmail.com> wrote:
>
> > From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
> >
> > Sibling thread of the same process could refault the reclaimed pages
> > in the same time, which would be typical in None global reclaim and
> > introduce thrashing.
>
> "None" -> "node", I assume?
I think that's "non-global", ie memcg based.
next prev parent reply other threads:[~2021-10-16 3:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 6:15 Huangzhaoyang
2021-10-15 20:00 ` Andrew Morton
2021-10-16 2:28 ` Zhaoyang Huang
2021-10-16 2:58 ` Andrew Morton
2021-10-16 3:05 ` Matthew Wilcox [this message]
2021-10-16 8:17 ` Zhaoyang Huang
2021-10-18 8:23 ` Michal Hocko
2021-10-18 9:25 ` Zhaoyang Huang
2021-10-18 12:41 ` Michal Hocko
2021-10-19 7:11 ` Zhaoyang Huang
2021-10-19 9:09 ` Michal Hocko
2021-10-19 12:17 ` Zhaoyang Huang
2021-10-19 13:23 ` Michal Hocko
2021-10-20 7:33 ` Zhaoyang Huang
2021-10-20 8:55 ` Michal Hocko
2021-10-20 11:45 ` Zhaoyang Huang
2021-10-20 15:11 ` Michal Hocko
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