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    SubjectRe: invalidate_inode_pages in 2.5.32/3
    On Thursday 05 September 2002 20:27, Andrew Morton wrote:
    > But be aware that invalidate_inode_pages has always been best-effort.
    > If someone is reading, or writing one of those pages then it
    > certainly will not be removed. If you need assurances that the
    > pagecache has been taken down then we'll need something stronger
    > in there.

    But what is stopping us now from removing a page from the page cache
    even while IO is in progress? (Practical issue: the page lock, but
    that's a self-fullfilling prophesy.)

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