On Monday 09 July 2007, Christoph Lameter wrote:
> On Tue, 10 Jul 2007, Nick Piggin wrote:
> > There are no changes to the filesystem API for large pages (although I
> > am adding a couple of helpers to do page based bitmap ops). And I don't
> > want to rely on contiguous memory. Why do you think handling of large
> > pages (presumably you mean larger than page sized blocks) is strange?
>
> We already have a way to handle large pages: Compound pages.
Um, no, we don't, assuming by compound pages you mean order > 0 pages.. None
of the stack of changes necessary to make these pages viable has yet been
accepted, ie antifrag, defrag, and variable page cache. While these changes
may yet all go in and work wonderfully, I applaud Nick's alternative solution
that does not include a depency on them.
Dave McCracken
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