linux-kernel - Re: la la la la ... swappiness

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Date:	Mon, 4 Dec 2006 13:43:26 -0800
From:	Andrew Morton <akpm@...l.org>
To:	<Aucoin@...ston.RR.com>
Cc:	"'Jeffrey Hundstad'" <jeffrey.hundstad@...u.edu>,
	"'Christoph Lameter'" <clameter@....com>,
	"'Horst H. von Brand'" <vonbrand@....utfsm.cl>,
	"'Kyle Moffett'" <mrmacman_g4@....com>,
	"'Tim Schmielau'" <tim@...sik3.uni-rostock.de>,
	<torvalds@...l.org>, <linux-kernel@...r.kernel.org>, <dcn@....com>
Subject: Re: la la la la ... swappiness

On Mon, 4 Dec 2006 15:25:47 -0600
"Aucoin" <Aucoin@...ston.RR.com> wrote:

> > From: Jeffrey Hundstad [mailto:jeffrey.hundstad@...u.edu]
> > POSIX_FADV_NOREUSE flags.  It seems these would cause the tar and patch
> 
> WI may be na__ve as well, but that sounds interesting. Unless someone knows
> of an obvious reason this won't work we can make a one-off tar command and
> give it a whirl.
> 

Well if altering tar is an option then sure, a
sync_file_range(SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER) followed
by fadvise(POSIX_FADV_DONTNEED) will free the memory up again.
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