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    SubjectRe: [patch 10/21] buffer heads: Support slab defrag
    David Chinner wrote:
    > > Why are we out of memory?
    >
    > Defragmentation is triggered as part of the usual memory reclaim
    > process. Which implies we've run out of free memory, correct?

    I don't think that's true on no-MMU. Defragmentation can be needed
    often on no-MMU when there's lots of free memory, just in the wrong
    places.

    -- Jamie


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