From: Yang Shi <shy828301@gmail.com>
To: Michal Hocko <mhocko@suse.com>
Cc: "Zach O'Keefe" <zokeefe@google.com>,
akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Andrew Davidoff <davidoff@qedmf.net>,
Bob Liu <lliubbo@gmail.com>
Subject: Re: [PATCH] mm: don't warn if the node is offlined
Date: Thu, 3 Nov 2022 10:13:54 -0700 [thread overview]
Message-ID: <CAHbLzkqXRLaAYsD+f5B5hgoE+STGat1syzpCUFH3f6W=HtMULA@mail.gmail.com> (raw)
In-Reply-To: <Y2NzvfCjd0X4g4p4@dhcp22.suse.cz>
On Thu, Nov 3, 2022 at 12:54 AM Michal Hocko <mhocko@suse.com> wrote:
>
> On Wed 02-11-22 13:08:08, Yang Shi wrote:
> [...]
> > So I think we narrowed down to two options:
> > 1. Preserve the interleave behavior but bail out if the target node is
> > not online (it is also racy, but doesn't hurt)
>
> I do not think there is merit in the interleave patch is dubious to say
> the least.
>
> > 2. Remove the node balance code entirely
>
> Yes, removing the balancing makes sense but I would still hope that we
> do not fail too easily if the range is populated on multiple nodes
> equally. In practice it will likely not matter much I guess but setting
> up all nodes with top score is just easy to achieve.
OK, thanks. I will come up with a patch to allow fallback between the
nodes, it should be largely based on the change suggested by you.
> --
> Michal Hocko
> SUSE Labs
next prev parent reply other threads:[~2022-11-03 17:14 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-31 18:31 Yang Shi
2022-10-31 21:16 ` Zach O'Keefe
2022-10-31 22:08 ` Michal Hocko
2022-11-01 0:05 ` Zach O'Keefe
2022-11-01 7:54 ` Michal Hocko
2022-11-01 17:12 ` Yang Shi
2022-11-01 19:13 ` Zach O'Keefe
2022-11-01 20:09 ` Yang Shi
2022-11-01 22:05 ` Zach O'Keefe
2022-11-02 7:39 ` Michal Hocko
2022-11-02 7:49 ` Michal Hocko
2022-11-02 16:03 ` Yang Shi
2022-11-02 16:15 ` Michal Hocko
2022-11-02 17:36 ` Yang Shi
2022-11-02 17:47 ` Michal Hocko
2022-11-02 18:18 ` Yang Shi
2022-11-02 18:58 ` Zach O'Keefe
2022-11-02 20:08 ` Yang Shi
2022-11-02 20:21 ` Zach O'Keefe
2022-11-03 7:54 ` Michal Hocko
2022-11-03 17:13 ` Yang Shi [this message]
2022-11-03 7:51 ` Michal Hocko
2022-11-02 7:14 ` Michal Hocko
2022-11-02 15:58 ` Yang Shi
2022-11-02 16:11 ` Michal Hocko
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