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    SubjectRe: [RFC 4/8] Enhance fallback functions in libs to support higher order pages
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    On Fri, 2007-04-20 at 12:05 +0100, Mel Gorman wrote:

    > comments about missing page_cache_size() covered elsewhere. However, I
    > note that Dave Kleikamp might be interested in this changing of
    > page_cache_size() from the perspective of page cache tails. I've added
    > him to the cc so he can take a quick look.

    Yeah. I'm working on patches for storing file tails in buffers
    allocated from the slab cache, and the tail will be represented by a
    fake struct page. (This is primarily for kernels with a larger page
    size). So my version of page_cache_size(page) may return a different
    size for different pages belonging to the same mapping. I'm in the
    midst of cleaning up the patches and plan to post them to linux-mm by
    Monday.

    Thanks,
    Shaggy
    --
    David Kleikamp
    IBM Linux Technology Center

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