Re: SMP-related kernel memory leak

["Oliver Pinter" <oliver.pntr@gmail.com>]

and add plus CC's
On 2/21/08, Oliver Pinter <oliver.pntr@gmail.com> wrote:
> it is reproductable with SLUB?
> /* sorry for the bad english, but i not learned it .. */
> On 2/21/08, Bart Van Assche <bart.vanassche@gmail.com> wrote:
> > On Thu, Feb 21, 2008 at 9:48 AM, Bart Van Assche
> > <bart.vanassche@gmail.com> wrote:
> > > On Wed, Feb 20, 2008 at 10:42 PM, Oliver Pinter <oliver.pntr@gmail.com>
> > wrote:
> > > >
> > > > hmm it is with slub or slab?
> > >
> > > All tests were performed with SLAB. Please note that it's not yet
> > > clear to me whether this is an issue with the SLAB allocator or
> > > another memory allocation mechanism. In the meantime I also noticed
> > > different behavior between the 2.6.22.18 and 2.6.24.2 kernel: with
> > > 2.6.22.18 I see unbounded growth of the memory used, while with
> > > 2.6.24.2 memory usage increases from about 30 MB to about 70 MB and
> > > then keeps at the same level. I am still performing more tests (a.o.
> > > minimizing the kernel config). I will add the results of these tests
> > > to the kernel bugzilla entry.
> >
> > I have added a new graph to
> > http://bugzilla.kernel.org/show_bug.cgi?id=9991, namely a graph
> > showing memory usage for a PAE-kernel booted with mem=1G and with a
> > minimized kernel config. The graph shows that memory usage increases
> > to a certain limit. Other tests have shown that this limit is
> > proportional to the amount of memory specified in mem=... This is not
> > a SLAB leak: as the numbers show, slab usage remains constant during
> > all tests.
> >
> > I'm puzzled by these results ...
> >
> > Bart.
> > --
> > Met vriendelijke groeten,
> >
> > Bart Van Assche.
> >
> --
> Thanks,
> Oliver
>
--
Thanks,
Oliver

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