From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: Al Peat <al_kernel@yahoo.com>
Cc: linux-kernel@vger.kernel.org, myself <al_peat@yahoo.com>,
Juri Haberland <juri.haberland@innominate.com>
Subject: Re: Purging the Page Table (was: Purging the Buffer Cache)
Date: Thu, 28 Dec 2000 06:50:20 +0100 [thread overview]
Message-ID: <20001228065020.B4578@thefinal.cern.ch> (raw)
In-Reply-To: <20001222011652.30206.qmail@web10101.mail.yahoo.com>
In-Reply-To: <20001222011652.30206.qmail@web10101.mail.yahoo.com>; from al_kernel@yahoo.com on Thu, Dec 21, 2000 at 05:16:52PM -0800
Al Peat wrote:
> > > Is there any way to completely purge the buffer
> > > cache -- not just the write requests (ala 'sync'
> > or
> > > 'update'), but the whole thing? Can I just call
> > > invalidate_buffers() or destroy_buffers()?
Try this script:
case "`id -u`" in
0) ;;
*) echo Only root can run this script. 1>&2; exit 1 ;;
esac
mount | sort -k3 -r | \
while read dev ON dir TYPE type etc; do
echo mount $dir -o remount
mount $dir -o remount
done
mount | sort -k1 | \
while read dev ON dir TYPE type etc; do
case "$dev" in
/dev/*) echo hdparm -f $dev
hdparm -f $dev >/dev/null ;;
esac
done
-- Jamie
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prev parent reply other threads:[~2000-12-28 6:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-22 1:16 Purging the Page Table (was: Purging the Buffer Cache) Al Peat
2000-12-28 5:50 ` Jamie Lokier [this message]
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