On Tuesday 28 March 2006 05:00, Andrew Morton wrote:
> Andi Kleen <[email protected]> wrote:
> >
> > On Monday 27 March 2006 13:48, Bharata B Rao wrote:
> > > On Mon, Mar 27, 2006 at 07:50:20AM +0200, Andi Kleen wrote:
> > > >
> > > > A 2GB x86-64 desktop system here is currently swapping itself to death after
> > > > a few days uptime.
> > > >
> > > > Some investigation shows this:
> > > >
> > > > inode_cache 1287 1337 568 7 1 : tunables 54 27 8 : slabdata 191 191 0
> > > > dentry_cache 1867436 1867643 208 19 1 : tunables 120 60 8 : slabdata 98297 98297 0
> > > >
> > >
> > > Would it be possible to try out this experimental patch which
> > > gets some stats from the dentry cache ?
> >
> > It should be trivial to reproduce by other people. Biggest workload
> > is kernel compiles and quilt.
> >
> > After a few hours with -git12 it's already at
> >
> > dentry_cache 947013 952014 208 19 1 : tunables 120 60 8 : slabdata 50100 50106 480
> >
> > and starting to go into swap.
> >
> > I can't imagine I'm the only one seeing this?
> >
> > I have a few x86-64 patches applied too, but they don't change anything
> > in this area.
>
> I don't think I can reproduce this on x86 uniproc. (avtab_node_cache
> is a different story - maintainers separately pinged).
This is x86-64 dual core.
>
> I'd expect pretty much everything we have in there now was under test in
> -mm for quite some time - any obvious leaks would have been noticed. I'd
> be suspecting recent changes in perhaps audit or nfs, at a guess. Or
> something weird.
>
> Which filesystems are in use?
ext3, NFS (not much)
-Andi
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