Linus Torvalds wrote:
> >I think that the zoned buddy allocator aligns memory allocations
> >relative to the beginning of the zone, and not relative to the physical
> >address.
>
> The zones have to be aligned, there's no question about that. The
> preferred alignment is in the megabyte range, rather than in individual
> pages. In fact, I would suggest always making sure that it is aligned to
> the largest order that get_free_page() supports, and I think that's true
> of all current architectures..
I don't see why it's necessary though. The allocator should simply use
absolute address values for pairing instead of zone-relative
addresses.. is there anything more to it than that?
-- Jamie
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