From: "Chris Friesen" <cfriesen@nortel.com>
To: Samuel Tardieu <sam@rfc1149.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: OOM notifications
Date: Fri, 19 Oct 2007 10:58:55 -0600 [thread overview]
Message-ID: <4718E24F.3060805@nortel.com> (raw)
In-Reply-To: <87lk9zgmkx.fsf@willow.rfc1149.net>
Samuel Tardieu wrote:
>>>>>>"Pavel" == Pavel Machek <pavel@ucw.cz> writes:
> Pavel> That works okay on a PC, but try cellphone one day.
>
> Pavel> You want management app to close the least used
> Pavel> application. You do not want _kernel_ to select "who to send
> Pavel> SIGTERM to".
>
> That's why I would prefer that *all* processes receive the
> SIGDANGER/whatever (and of course ignore it by default). Only the
> management app would handle it in the case you describe and would
> select one or more applications to unload to free some memory.
It's still helpful to have two stages...one that all apps can listen to
(and try to reduce their footprint if possible), and a second one that
only the manager would handle (and would kill some suitable target).
Finally, if all that fails then the kernel starts whacking things.
Chris
next prev parent reply other threads:[~2007-10-19 16:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-18 20:25 OOM notifications Marcelo Tosatti
2007-10-18 20:38 ` Rene Herman
2007-10-18 20:52 ` Rik van Riel
2007-10-18 21:06 ` Rene Herman
2007-10-18 21:18 ` Rik van Riel
2007-10-18 22:01 ` Rene Herman
2007-10-18 22:10 ` Ulrich Drepper
2007-10-19 5:15 ` Chris Friesen
2007-10-19 10:17 ` Pavel Machek
2007-10-19 15:18 ` Samuel Tardieu
2007-10-19 16:58 ` Chris Friesen [this message]
2007-10-18 22:16 ` Rene Herman
-- strict thread matches above, loose matches on Subject: below --
2007-10-18 20:15 Marcelo Tosatti
2007-10-26 21:02 ` Andrew Morton
2007-10-26 21:05 ` Martin Bligh
2007-10-26 21:11 ` Andrew Morton
2007-10-26 21:35 ` Rik van Riel
2007-10-26 21:59 ` Martin Bligh
2007-10-26 22:30 ` Rik van Riel
2007-10-28 21:16 ` Balbir Singh
2007-10-30 14:57 ` Jan Kara
2007-10-30 15:23 ` Rik van Riel
2007-10-30 15:55 ` Jan Kara
2007-10-30 17:31 ` Rik van Riel
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