Re: dentry cache leak? Re: rsync out of memory 2.6.8-rc2

Marcelo Tosatti
2004-07-30T17:00:56Z

On Thu, Jul 29, 2004 at 02:07:43PM -0700, Andrew Morton wrote:
> kladit@t-online.de (Klaus Dittrich) wrote:
> >
> > >Can you narrow the onset of the problem down to any particular kernel
> > >snapshot?
> >
> > Did it and here is the answer.
> >
> > kernel-2.6.7 and bk's up to 2.6.7-bk7 survived a du -s,
> > kernels starting with 2.6.7-bk8 did not.
>
> I can reproduce this oom btw. Am (very, very slowly) working out what's
> causing it. It's unrelated to the vfs-cache-pressure patch. I'd hope to
> have it fixed up for 2.6.8.

Odd, because the only thing I can see which affects dcache related code
between -bk7 and -bk8 is the vfs-cache-pressure patch.

What are the exact steps you're using to reproduce the leak?

And where do you think the problem lies?