On Fri, Feb 18, 2005 at 01:03:35AM +1100, Nick Piggin wrote:
> I am pretty surprised myself that I was able to consolidate
> all "page table range" functions into a single type of iterator
> (well, there are a couple of variations, but it's not too bad).
I started a similar project - but it uses the existing loops,
just using {pte,pmd,pud,pgd}_next. The idea is to optimize
page table walking by keeping some state in the struct page
of the page table page that says whether an entry is set
or not. To make this work I switched everything to indexes
instead of pointers.
Main problem are some nasty include loops.
-Andi
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