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    SubjectRe: [patch 1/5] mm: page_alloc: increase __GFP_BITS_SHIFT to include __GFP_OTHER_NODE
    On Mon, Jul 25, 2011 at 10:19:15PM +0200, Johannes Weiner wrote:
    > From: Johannes Weiner <hannes@cmpxchg.org>
    >
    > __GFP_OTHER_NODE is used for NUMA allocations on behalf of other
    > nodes. It's supposed to be passed through from the page allocator to
    > zone_statistics(), but it never gets there as gfp_allowed_mask is not
    > wide enough and masks out the flag early in the allocation path.
    >
    > The result is an accounting glitch where successful NUMA allocations
    > by-agent are not properly attributed as local.
    >
    > Increase __GFP_BITS_SHIFT so that it includes __GFP_OTHER_NODE.
    >
    > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

    You're right, this should be merged separately.

    Acked-by: Mel Gorman <mgorman@suse.de>

    --
    Mel Gorman
    SUSE Labs


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