linux-kernel - Re: lowmemory android driver not needed?

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Message-ID: <20090114035237.GB16442@kroah.com>
Date:	Tue, 13 Jan 2009 19:52:37 -0800
From:	Greg KH <greg@...ah.com>
To:	Arve Hjønnevåg <arve@...roid.com>
Cc:	Brian Swetland <swetland@...gle.com>, arve@...gle.com,
	San Mehat <san@...roid.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Robert Love <rlove@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: lowmemory android driver not needed?

On Tue, Jan 13, 2009 at 06:30:39PM -0800, Arve Hjønnevåg 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?

thanks,

greg k-h
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