[Hotplug_sig] Re: [Lhms-devel] [PATCH 0/4] Reducing fragmentation using lists (sub-zones) v22

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On Fri, Feb 17, 2006 at 11:03:43AM +0000, Mel Gorman wrote:
> On Tue, 14 Feb 2006, Bryce Harrington wrote:
> > On Fri, Jan 20, 2006 at 11:54:15AM +0000, Mel Gorman wrote:
> > > This is a rebase of the list-based anti-fragmentation approach to act as
> > ...
> >
> > Hi Mel,
> >
> > By chance do you have a web or ftp site where these patches are posted?
> >
> 
> I didn't, but I do now.
> 
> list-based anti-fragmentation
> o http://www.csn.ul.ie/~mel/projects/patches/brokenout/mbuddy/v22
> o Full patch is called full-mbuddy-v22.diff
> zone-based anti-fragmentation
> o http://www.csn.ul.ie/~mel/projects/patches/brokenout/zbuddy/v5
> o Full patch is called zbuddy-v5-full.diff

Great, thanks!
 
> > Also, would you find cross compile testing of your patches to be of
> > interest?
> >
> 
> I would. While I currently have access to the machines needed to
> cross-compile, I do not have any automated mechanism setup for
> anti-fragmentation yet so I only test ppc64 and x86. Greater coverage
> would be ideal.

Okay, great.  We have an automated cross compile system here at osdl
called PLM, that will now watch for new patches at the mbuddy and zbuddy
URL's.  The compile results are all posted on the web as soon as they
run, but I will also try to always review them and identify
"interesting" results for you (e.g., new warnings or errors beyond what
the base kernels would have).

> > (I've been running cross-compile tests for the NFSv4 developers for the
> > past year and would be happy to do the same for memory hotplug if it
> > would be of interest.)
> >
> 
> I'd appreciate it. However, to be clear, the patches I am working on are
> for anti-fragmentation which will be of benefit to memory hotplug and for
> huge tlb. For the memory hotplug patches and the -mhp tree, Dave Hansen is
> the man to talk to.

Yup, actually we've been pulling Dave's patches for a while.  But since
we've already got the tools set up and automated, they can handle some
more work.  ;-)

Also, if you know of any regression or performance tests that you'd find
useful to have run automatically for anti-fragmentation (or other
memory-related aspects), I could work on setting those up to run on x86,
and later x86_64 and ia64.

Bryce



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