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    SubjectRe: Hugetlb demanding paging for -mm tree
    On Fri, Aug 06, 2004 at 02:07:50PM -0700, William Lee Irwin III wrote:
    > update_mmu_cache() does not appear to check the size of the translation
    > to be established in many architectures. e.g. on arch/ia64/ it does
    > flush_icache_range(addr, addr + PAGE_SIZE) unconditionally, and only
    > sets PG_arch_1 on a single struct page. Similar comments apply to
    > sparc64 and ppc64; I didn't check any others.

    In general not much seems to be getting done about cache coherency in
    hugetlb at all. This may be problematic even in mainline.

    -- wli
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