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On Sun, 6 Jan 2002, Alan Cox wrote: > > You don't neccessarily need PSE. Migrating to an option to support > 4K > _virtual_ page size is more flexible for x86, although it would need > glibc getpagesize() fixing I think, and might mean a few apps wouldnt > run in that configuration. Larger kernel PAGE_SIZE can work, still presenting 4KB page size to user space for compat. The interesting part is holding anon pages together, not fragmenting to use PAGE_SIZE for each MMUPAGE_SIZE of user space. I have patches against 2.4.6 and 2.4.7 which did that; but didn't keep them up to date because there's a fair effort going through drivers deciding which PAGE_s need to be MMUPAGE_s. I intend to resurrect that work against 2.5 later on (or sooner if there's interest). Hugh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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