Re: RFC: Page size on PPC/PPC64 builders

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Josh Boyer (jwboyer@xxxxxxxxx) said: 
> > > > For 4KiB pages:
> > > >  - Makes life 'easier' for PPC builds, to stop people whining about it
> > > >    finding their bugs for them.
> > > >  - Consistent with what we actually ship in Fedora.
> > >
> > > - wastes less memory on lower-mem ppc machines. Not that this should be a
> > > dealbreaker, but it's something to think about.
> > 
> > Yeah, that's definitely an issue. Some of the ppc boxes in our internal test 
> > setup have "only" 1G of RAM, and when the system is under load[*], you can 
> > run out of free pages and start oom-killing stuff pretty quick w/64k pages...
> > 
> > [*] http://www.codemonkey.org.uk/projects/scrashme/scrashme.git/
> 
> I think you're both slightly confused.  This is for switching the
> _builders_ back to a 4KiB page kernel.  Not Fedora, which is already
> 4KiB pages.

OK, then. Why would we explicitly make people build under a combination that isn't
in Fedora (that they can't reproduce in Fedora) that can cause their build to fail
(for whatever reason)? Do we appreciate being cruel?

Bill

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