Messages in this thread | | | Date | Fri, 3 May 2002 18:58:06 +0200 | From | Andrea Arcangeli <> | Subject | Re: Virtual address space exhaustion (was Discontigmem virt_to_page() ) |
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On Fri, May 03, 2002 at 06:41:15PM +0200, Daniel Phillips wrote: > On Friday 03 May 2002 18:20, Andrea Arcangeli wrote: > > On Fri, May 03, 2002 at 06:02:18PM +0200, Daniel Phillips wrote: > > > and solves 75% of the problem. It's not just ia32 numa that will benefit > > > from it. For example, MIPS supports 16K pages in software, which will > > > > the whole change would be specific to ia32, I don't see the connection > > with mips. There would be nothing to share between ia32 2M pages and > > mips 16K pages. > > The topic here is 'page clustering'. The idea is to use one struct page for > every four 4K page frames on ia32.
ah ok, I meant physical hardware pages. physical hardware pages should be doable without common code changes, a software PAGE_SIZE or the PAGE_CACHE_SIZE raises non trivial problems instead.
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