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    SubjectRe: [PATCH 03/25] Do not check NUMA node ID when the caller knows the node is valid
    On Mon, Apr 20, 2009 at 11:19:49PM +0100, Mel Gorman wrote:
    > Callers of alloc_pages_node() can optionally specify -1 as a node to mean
    > "allocate from the current node". However, a number of the callers in fast
    > paths know for a fact their node is valid. To avoid a comparison and branch,
    > this patch adds alloc_pages_exact_node() that only checks the nid with
    > VM_BUG_ON(). Callers that know their node is valid are then converted.
    > Signed-off-by: Mel Gorman <>
    > Reviewed-by: Christoph Lameter <>

    For the SLOB NUMA bits:

    Acked-by: Paul Mundt <>

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      Last update: 2009-04-21 08:41    [W:0.019 / U:2.640 seconds]
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