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    SubjectRe: innd mmap bug in 2.4.0-test12


    On Sun, 24 Dec 2000, Daniel Phillips wrote:
    >
    > It looks like PG_dirty is now being used only for swap_cache pages, and
    > not for buffer cache and page cache pages, is that correct?

    No. PG_dirty is used for all memory mapped pages - be they anonymous or
    not.

    These days the buffer dirty bits are only used by "write()", because
    write() can obviously dirty smaller areas than one page.

    Linus

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