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    SubjectRe: userspace pagecache management tool
    On 3/3/07, Andrew Morton <akpm@linux-foundation.org> wrote:
    > The tool uses an LD_PRELOAD hack to intercept glibc's read(), pread(),
    > write(), pwrite(), close() and dup2() functions. pagecache control is done
    > via posix_fadvise() and sync_file_range().
    >

    How could this have any effect on the updatedb problem? updatedb does
    not read() anything, it just open()s and stat()s every file on the
    disk.

    Lee
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