Re: [00/41] Large Blocksize Support V7 (adds memmap support)

[Christoph Lameter <clameter@sgi.com>]

On Sun, 16 Sep 2007, Nick Piggin wrote:

> > > fsblock doesn't need any of those hacks, of course.
> >
> > Nor does mine for the low orders that we are considering. For order >
> > MAX_ORDER this is unavoidable since the page allocator cannot manage such
> > large pages. It can be used for lower order if there are issues (that I
> > have not seen yet).
> 
> Or we can just avoid all doubt (and doesn't have arbitrary limitations
> according to what you think might be reasonable or how well the
> system actually behaves).

We can avoid all doubt in this patchset as well by adding support for 
fallback to a vmalloced compound page.

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