Date: Tue, 16 Oct 2007 11:28:59 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Rob Landley <rob@landley.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
       Nick Piggin <nickpiggin@yahoo.com.au>, Theodore Tso <tytso@mit.edu>,
       James Bottomley <James.Bottomley@steeleye.com>,
       Matthew Wilcox <matthew@wil.cx>, linux-kernel@vger.kernel.org,
       linux-scsi@vger.kernel.org, Suparna Bhattacharya <suparna@in.ibm.com>,
       Nick Piggin <piggin@cyberone.com.au>
Subject: Re: OOM killer gripe (was Re: What still uses the block layer?)
Message-ID: <20071016112859.1b0fba0e@the-village.bc.nu>
In-Reply-To: <200710160138.57893.rob@landley.net>
References: <200710112011.22000.rob@landley.net>
	<200710161659.28826.nickpiggin@yahoo.com.au>
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	<200710160138.57893.rob@landley.net>
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> I'm sure somebody will eventually write an OLS paper or something on the 
> advisability of making swapping decisions with 4k granularity when disks 
> really want bigger I/O transactions. 

Funnily enough someone thought of that many years ago. They even added
and documented it, then they made it adjustable.

See the vm section of Documentation/filesystems/proc.txt

Alan
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