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    SubjectRe: [PATCH 6/8] Add __GFP_OTHER_NODE flag
    On Wed,  2 Mar 2011 16:45:26 -0800
    Andi Kleen <andi@firstfloor.org> wrote:

    > From: Andi Kleen <ak@linux.intel.com>
    >
    > Add a new __GFP_OTHER_NODE flag to tell the low level numa statistics
    > in zone_statistics() that an allocation is on behalf of another thread.
    > This way the local and remote counters can be still correct, even
    > when background daemons like khugepaged are changing memory
    > mappings.
    >
    > This only affects the accounting, but I think it's worth doing that
    > right to avoid confusing users.
    >
    > I first tried to just pass down the right node, but this required
    > a lot of changes to pass down this parameter and at least one
    > addition of a 10th argument to a 9 argument function. Using
    > the flag is a lot less intrusive.
    >
    > Open: should be also used for migration?
    >
    > Cc: aarcange@redhat.com
    > Signed-off-by: Andi Kleen <ak@linux.intel.com>

    Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>




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