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    SubjectRe: 2.6.19-rc2-mm1
    On Wed, 18 Oct 2006 22:26:50 +0200
    Cedric Le Goater <clg@fr.ibm.com> wrote:

    > > Because we must service a fault if it happens here. The
    > > fault_in_pages_readable and comments are wrong AFAIKS.
    >
    > hmm. It says :
    >
    > /*
    > * Bring in the user page that we will copy from _first_.
    > * Otherwise there's a nasty deadlock on copying from the
    > * same page as we're writing to, without it being marked
    > * up-to-date.
    > */
    >
    > How can we improve it ?

    The page we're writing into isn't locked, so there's no deadlock afaict.

    But then, I forget how xip works. Carsten, is it actually being used for
    anything?

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