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    SubjectRe: [PATCH -mm 17/25] Mlocked Pages are non-reclaimable
    On Tue, 10 Jun 2008 05:31:30 +0200
    Nick Piggin <npiggin@suse.de> wrote:

    > If we eventually run out of page flags on 32 bit, then sure this might be
    > one we could look at geting rid of. Once the code has proven itself.

    Yes, after the code has proven stable, we can probably get
    rid of the PG_mlocked bit and use only PG_unevictable to mark
    these pages.

    Lee, Kosaki-san, do you see any problem with that approach?
    Is the PG_mlocked bit really necessary for non-debugging
    purposes?

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