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SubjectRe: Page fault scalability patch V18: Overview
Make sure that scrubd_stop on startup is set to 2 and no zero in
mm/scrubd.c. The current patch on oss.sgi.com may have that set to zero.

On Fri, 4 Mar 2005, Darren Williams wrote:

> Hi Darren
>
> On Fri, 04 Mar 2005, Darren Williams wrote:
>
> > Hi Christoph
> >
> > On Tue, 01 Mar 2005, Christoph Lameter wrote:
> >
> > > Is there any chance that this patchset could go into mm now? This has been
> > > discussed since last August....
> > >
> > > Changelog:
> > >
> > > V17->V18 Rediff against 2.6.11-rc5-bk4
> >
> > Just applied this patch against 2.6.11, however with the patch applied
> > and all the aditional config options not set, the kernel hangs at
> > Freeing unused kernel memory: 240kB freed
> > FYI:
> >
> > boot atomic prezero
> > OK on on
> > fail off on
> > fail off off
> > OK on off
>
> A bit extra info on the system:
> HP rx8620 Itanium(R) 2 16way
>
> >
> > > V16->V17 Do not increment page_count in do_wp_page. Performance data
> > > posted.
> > > V15->V16 of this patch: Redesign to allow full backback
> > > for architectures that do not supporting atomic operations.
> > >
> > > An introduction to what this patch does and a patch archive can be found on
> > > http://oss.sgi.com/projects/page_fault_performance. The archive also has the
> > > result of various performance tests (LMBench, Microbenchmark and
> > > kernel compiles).
> > >
> > > The basic approach in this patchset is the same as used in SGI's 2.4.X
> > > based kernels which have been in production use in ProPack 3 for a long time.
> > >
> > > The patchset is composed of 4 patches (and was tested against 2.6.11-rc5-bk4):
> > >
> > [SNIP]
> >
> > > -
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> > --------------------------------------------------
> > Darren Williams <dsw AT gelato.unsw.edu.au>
> > Gelato@UNSW <www.gelato.unsw.edu.au>
> > --------------------------------------------------
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
> --------------------------------------------------
> Darren Williams <dsw AT gelato.unsw.edu.au>
> Gelato@UNSW <www.gelato.unsw.edu.au>
> --------------------------------------------------
>
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