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From: Pavel Machek <pavel@suse.cz>
To: Arve Hj?nnev?g <arve@android.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Greg KH <greg@kroah.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Brian Swetland <swetland@google.com>,
	arve@google.com, San Mehat <san@android.com>,
	Robert Love <rlove@google.com>,
	linux-kernel@vger.kernel.org,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	Tony Lindgren <tony@atomide.com>,
	ext Juha Yrj?????? <juha.yrjola@solidboot.com>,
	viktor.rosendahl@nokia.com, Trilok Soni <soni.trilok@gmail.com>
Subject: Re: lowmemory android driver not needed?
Date: Thu, 29 Jan 2009 23:06:33 +0100	[thread overview]
Message-ID: <20090129220633.GA18603@elf.ucw.cz> (raw)
In-Reply-To: <d6200be20901281851k45f9692em1379140c8951c195@mail.gmail.com>

Hi!

> I never expected it to be merged. I wrote it to allow us to ship a product.
> 
> > The top problem is, this file stay on non proper place.
> > then, MM folks don't review at all.
> >
> > I think this patch need to receive MM folks review.
> 
> This patch solves two problems for us:
> 1. It gives us more control over which process gets killed when we run
> out of memory. This can easily be fixed in the regular oom killer
> instead.
> 2. It prevents the system from getting unusable due to excessive
> demand paging. Before we added the low memory killer, we had devices
> stuck for many minutes before the system managed to allocate enough
> memory for the oom killer to kick in.
> The second problem is the most critical and if it is solved, we will
> not need this patch.

Ok, maybe the best way forward is to create a "demo" that can be run
on desktop machine, where machine misbehaves (like becomes useless for
10 minutes before OOM killer kicks in), then draw attetion of
Andrew/Nick/etc?

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2009-01-29 22:07 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
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 [this message]
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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