From: Pavel Machek <pavel@suse.cz>
To: Greg KH <greg@kroah.com>
Cc: Arve Hj?nnev?g <arve@android.com>,
Brian Swetland <swetland@google.com>,
arve@google.com, San Mehat <san@android.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Robert Love <rlove@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: lowmemory android driver not needed?
Date: Wed, 14 Jan 2009 11:43:07 +0100 [thread overview]
Message-ID: <20090114104307.GA20451@elf.ucw.cz> (raw)
In-Reply-To: <20090114035237.GB16442@kroah.com>
On Tue 2009-01-13 19:52:37, Greg KH wrote:
> On Tue, Jan 13, 2009 at 06:30:39PM -0800, Arve Hj?nnev?g wrote:
> > The oom killer does not kick in until all caches are emptied. Our user
> > space code changes the oom_adj value of processes that are no longer
> > in the foreground so that they killed first (the process saves its
> > state but does not exit). To avoid excessive demand paging, the low
> > memory killer will kill these processes when the memory available
> > drops below a threshold.
>
> That makes sense. Can you provide a bit of documentation that I can
> include in the driver so that people can actually use the thing? :)
>
> Alan, does this sound like it should remain in the tree?
Maybe our oom killer should get a new tunable, telling it how
aggressive it should be, instead?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-01-14 10:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 1:02 Greg KH
2009-01-14 2:18 ` Brian Swetland
2009-01-14 2:30 ` Arve Hjønnevåg
2009-01-14 3:52 ` Greg KH
2009-01-14 10:43 ` Pavel Machek [this message]
2009-01-14 10:48 ` Alan Cox
2009-01-14 12:18 ` MinChan Kim
2009-01-14 22:26 ` Arve Hjønnevåg
2009-01-14 23:17 ` Greg KH
2009-01-14 23:32 ` Arve Hjønnevåg
2009-01-15 0:12 ` Greg KH
2009-01-15 0:54 ` [PATCH] Staging: android: Add lowmemorykiller documentation Arve Hjønnevåg
2009-01-15 0:59 ` Greg KH
2009-01-15 13:32 ` lowmemory android driver not needed? Trilok Soni
2009-01-15 23:44 ` Greg KH
2009-01-16 9:02 ` Paul Mundt
2009-01-16 11:16 ` KOSAKI Motohiro
2009-01-16 15:23 ` Greg KH
2009-01-21 2:50 ` KOSAKI Motohiro
2009-01-21 3:05 ` Paul Mundt
2009-01-21 3:29 ` KAMEZAWA Hiroyuki
2009-04-01 18:38 ` Trilok Soni
2009-04-01 19:33 ` David Rientjes
2009-02-03 20:55 ` Tony Lindgren
2009-01-16 11:42 ` KOSAKI Motohiro
2009-01-16 13:18 ` KOSAKI Motohiro
2009-01-22 6:13 ` Arve Hjønnevåg
2009-01-29 1:48 ` KOSAKI Motohiro
2009-01-29 2:51 ` Arve Hjønnevåg
2009-01-29 3:45 ` KAMEZAWA Hiroyuki
2009-01-29 4:27 ` Greg KH
2009-01-29 4:43 ` KOSAKI Motohiro
2009-01-29 4:59 ` Greg KH
2009-01-29 5:29 ` KOSAKI Motohiro
2009-01-30 6:20 ` Greg KH
2009-01-30 6:41 ` Brian Swetland
2009-02-03 13:40 ` KOSAKI Motohiro
2009-01-29 22:06 ` Pavel Machek
2009-02-03 14:08 ` KOSAKI Motohiro
2009-01-15 7:55 ` David Rientjes
2009-01-14 6:45 ` MinChan Kim
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