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    SubjectRe: [00/41] Large Blocksize Support V7 (adds memmap support)
    Christoph Lameter wrote:
    > True. That is why we want to limit the number of unmovable allocations and
    > that is why ZONE_MOVABLE exists to limit those. However, unmovable
    > allocations are already rare today. The overwhelming majority of
    > allocations are movable and reclaimable. You can see that f.e. by looking
    > at /proc/meminfo and see how high SUnreclaim: is (does not catch
    > everything but its a good indicator).

    Just to inject another factor into the discussion, please remember that
    Linux also runs on nommu systems, where things like user space
    allocations are neither movable nor reclaimable.


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