linux-kernel - Re: [PATCH 0/8][for -mm] mem

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Message-ID: <20080219222828.GB28786@elf.ucw.cz>
Date:	Tue, 19 Feb 2008 23:28:28 +0100
From:	Pavel Machek <pavel@....cz>
To:	Paul Jackson <pj@....com>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	marcelo@...ck.org, daniel.spang@...il.com, riel@...hat.com,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	linux-fsdevel@...r.kernel.org, a1426z@...ab.com,
	jonathan@...masters.org, zlynx@....org
Subject: Re: [PATCH 0/8][for -mm] mem_notify v6

On Tue 2008-02-19 09:00:08, Paul Jackson wrote:
> Kosaki-san wrote:
> > Thank you for wonderful interestings comment.
> 
> You're most welcome.  The pleasure is all mine.
> 
> > you think kill the process just after swap, right?
> > but unfortunately, almost user hope receive notification before swap ;-)
> > because avoid swap.
> 
> There is not much my customers HPC jobs can do with notification before
> swap.  Their jobs either have the main memory they need to perform the
> requested calculations with the desired performance, or their job is
> useless and should be killed.  Unlike the applications you describe,
> my customers jobs have no way, once running, to adapt to less
> memory.

Sounds like a job for memory limits (ulimit?), not for OOM
notification, right?
								Pavel

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