From: Andrea Arcangeli <andrea@suse.de>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Olivier Sessink <olivier@lx.student.wau.nl>,
linux-kernel@vger.kernel.org
Subject: Re: weird memory related problems, negative memory usage or fake memory usage?
Date: Wed, 26 Sep 2001 01:11:16 +0200 [thread overview]
Message-ID: <20010926011116.X8350@athlon.random> (raw)
In-Reply-To: <20010926003626.L8350@athlon.random> <Pine.LNX.4.33L.0109251952330.26091-100000@duckman.distro.conectiva>
In-Reply-To: <Pine.LNX.4.33L.0109251952330.26091-100000@duckman.distro.conectiva>; from riel@conectiva.com.br on Tue, Sep 25, 2001 at 07:54:07PM -0300
On Tue, Sep 25, 2001 at 07:54:07PM -0300, Rik van Riel wrote:
> On Wed, 26 Sep 2001, Andrea Arcangeli wrote:
> > On Mon, Sep 24, 2001 at 07:03:20PM -0300, Rik van Riel wrote:
> > > On Mon, 24 Sep 2001, Olivier Sessink wrote:
>
> > > > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
> > > > 1262 root 5 -10 50764 -1M 1320 S < 2.7 99.9 0:01 XFree86
> > >
> > > It seems Andrea wasn't careful with the merge and
> > > backed out some of the locking wrt mm->rss.
> >
> > thanks for forwarding this report, actually I just noticed this
> > here and that's good so I can reproduce :)
> >
> > it is possible it is my mistake, but I don't think so, infact I
> > don't recall to have changed rss stuff or locking around it.
>
> Mmm, then it could also be one of the bugs which got
> fixed in -ac but where Linus never reacted to the
possibly yes but maybe not, dunno right now or I would be just sending
the fix inline in this email :). As said I never seen it before Ben's
tlb shootdown was merged into mainline, but again I repeat it can
_really_ be just an unlucky coincidence. But I guess because of this
coincidence the tlb shootdown will be the first things I will audit
tomorrow.
Andrea
next prev parent reply other threads:[~2001-09-25 23:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-24 21:31 weird memory related problems, negative memory usage or fake memory usage? Olivier Sessink
2001-09-24 22:03 ` Rik van Riel
2001-09-25 22:36 ` Andrea Arcangeli
2001-09-25 22:54 ` Rik van Riel
2001-09-25 23:11 ` Andrea Arcangeli [this message]
2001-09-26 0:07 ` [patch] " Benjamin LaHaise
2001-09-27 13:41 ` Hugh Dickins
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