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Date: Mon, 18 Mar 2002 22:23:05 +0100
From: toon@vdpas.hobby.nl
To: linux-kernel@vger.kernel.org
Subject: Re: Linux 2.4.19-pre3-ac1
Message-ID: <20020318222305.A23934@vdpas.hobby.nl>
In-Reply-To: <20020318025233.A7C044E534@mail.vnsecurity.net> <E16mvYx-0004re-00@the-village.bc.nu>
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On Mon, Mar 18, 2002 at 11:44:27AM +0000, Alan Cox wrote:
> > - 2.4.19-pre-ac: kswapd try to swap out and access disk continuously. Whole
> > system is slow down and un-interactivable.
> 
> echo "2" >/proc/sys/vm/overcommit_memory

Why are you using the value "2"?
It makes me think that it activates some special magic,
but all I can find in mmap.c is:

        /* Sometimes we want to use more memory than we have. */
        if (sysctl_overcommit_memory)
            return 1;

Regards,
Toon.
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