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SubjectRe: Memory accounting problem in 2.4.13, 2.4.14pre, and possibly 2.4.14
On Wed, Nov 07, 2001 at 06:10:47PM -0800, Andrew Morton wrote:
> Mike Fedyk wrote:
> >
> > Hello,
> >
> > I am trying to track down a memory accounting problem I've seen ever since I
> > tried a 2.4.13 based kernel. Specifically I've noticed an overflow for the
> > "Cached" entry in /proc/meminfo, but also the numbers don't add up to the
> > total memory count. Shouldn't they add up? If they should, I haven't seen
> > one that does....
> >
> > I first noticed it on:
> > 2.4.13freeswan-1.91+ac5+preempt+netdev_random+vm_freeswap
> > 2.4.14-pre6+preempt+netdev_random+ext3_0.9.14-2414p5
> >
> > I thought it may be preempt so I tried:
> > 2.4.14-pre8+netdev_random-p7+xsched+ext3_0.9.14-2414p8+elevator
> >
> > But I still get the same problem with "Cached".
> >
> > Now I'm trying to see if it could be ext3 with:
> > 2.4.14-ext3-2.4-0.9.14-2414p8
> >
> > And I haven't noticed the problem after 16 hours uptime. Sometimes it would
> > show earlier, or later.
> >
>
> Ah. So are you saying that it does *not* occur on
> ext3, but that it does occur on ext2?
>

I have been able to see the same problem with 2.4.14-ext3-2.4-0.9.14-2414p8.

> Could you retest ext2 with this:
>

I am running unpatched 2.4.14 now.

Do you still want me to try this patch now that you know I have been able to
see the problem with 2.2.14+ext3?

Mike
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