[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Fri, 17 Jun 2022 17:23:16 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Miaohe Lin <linmiaohe@...wei.com>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>,
Ying Huang <ying.huang@...el.com>, <peterx@...hat.com>,
<apopple@...dia.com>, <osalvador@...e.de>,
<mike.kravetz@...cle.com>, <songmuchun@...edance.com>,
<hch@....de>, <dhowells@...hat.com>, <cl@...ux.com>,
<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
<naoya.horiguchi@....com>
Subject: Re: [PATCH v4 1/4] mm: reduce the rcu lock duration
On Tue, 7 Jun 2022 17:19:53 +0800 Miaohe Lin <linmiaohe@...wei.com> wrote:
> >
> >
> > If the checks are not made to guarantee they are all checking against
> > the same mm, the code needs a comment to say that there is a tiny race.
> > The comment should say we don't care about the tiny race because
> > the worst that can happen is that a page is migrated to a different
> > numa node. And so we don't care.
> >
> >
>
> I tend to do this one. To make sure, is the below code change what you suggest?
Eric went quiet.
As I understand it, any changes arising from this discussion can be
done as a followup patch. So I'm planning on moving this 4-patch
series into the non-rebasing mm-stable branch late next week.
Powered by blists - more mailing lists