On Monday 03 March 2008 01:39:59 pm Josh Boyer wrote:
Jarod Wilson <jwilson(a)redhat.com> wrote:
> On Monday 03 March 2008 12:25:24 pm Bill Nottingham wrote:
> > David Woodhouse (dwmw2(a)infradead.org) 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.
Sorry, didn't follow the whole thread. Thought we were providing rationale for
why we wouldn't want to make the Fedora kernel also 64K pages.
--
Jarod Wilson
jwilson(a)redhat.com