From: Matthew Wilcox <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Aaron Tomlin <atomlin@redhat.com>,
linux-mm@kvack.org, vbabka@suse.cz, mhocko@suse.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] mm/page_alloc: bail out on fatal signal during reclaim/compaction retry attempt
Date: Thu, 20 May 2021 12:09:40 +0100 [thread overview]
Message-ID: <YKZDdJb05ZHhZesn@casper.infradead.org> (raw)
In-Reply-To: <20210519213455.97ff95f0124b4120787f8314@linux-foundation.org>
On Wed, May 19, 2021 at 09:34:55PM -0700, Andrew Morton wrote:
> On Wed, 19 May 2021 21:17:43 +0100 Aaron Tomlin <atomlin@redhat.com> wrote:
>
> > It does not make sense to retry compaction when a fatal signal is
> > pending.
>
> Well, it might make sense. Presumably it is beneficial to other tasks.
Apart from Vlastimil's point, if I hit ^C, I want the task to die,
as soon as possible. I don't want it to do things which are beneficial
to other tasks, I want my shell prompt back, not spending seconds
trying to compact memory. Some other task can do that if _it_ needs
large contiguous chunks.
prev parent reply other threads:[~2021-05-20 11:13 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 19:23 [PATCH v2] mm/page_alloc: bail out on fatal signal during reclaim/compaction retry attempt Aaron Tomlin
2021-05-19 19:32 ` Matthew Wilcox
2021-05-19 19:48 ` Aaron Tomlin
2021-05-19 20:17 ` [PATCH v3] " Aaron Tomlin
2021-05-20 4:34 ` Andrew Morton
2021-05-20 10:20 ` Vlastimil Babka
2021-05-20 11:42 ` Aaron Tomlin
2021-05-20 11:56 ` Matthew Wilcox
2021-05-20 13:30 ` Aaron Tomlin
2021-05-20 14:29 ` [PATCH v4] " Aaron Tomlin
2021-05-28 12:53 ` Vlastimil Babka
2021-05-31 11:33 ` Michal Hocko
2021-05-31 11:35 ` Vlastimil Babka
2021-05-31 13:21 ` Michal Hocko
2021-05-20 11:09 ` Matthew Wilcox [this message]
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