On Mon, 2005-05-16 at 12:43 -0700, christoph wrote:
> On Mon, 16 May 2005, Dave Hansen wrote:
> > On Mon, 2005-05-16 at 12:05 -0700, christoph wrote:
> > > Memory for nodes on i386 is currently aligned on 2 MB boundaries.
> > > However, the buddy allocator needs pages to be aligned on
> > > PAGE_SIZE << MAX_ORDER which is 8MB if MAX_ORDER = 11.
> >
> > Why do you need this? Are you planning on allowing NUMA KVA remap pages
> > to be handed over to the buddy allocator? That would be a major
> > departure from what we do now, and I'd be very interested in seeing how
> > that is implemented before a infrastructure for it goes in.
>
> Because the buddy allocator is complaining about wrongly allocated zones!
Just because it complains doesn't mean that anything is actually
wrong :)
Do you know which pieces of code actually break if the alignment doesn't
meet what that warning says?
-- Dave
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