| From | KOSAKI Motohiro <> | Subject | Re: [PATCH 03/25] Do not check NUMA node ID when the caller knows the node is valid | Date | Tue, 21 Apr 2009 11:44:42 +0900 (JST) |
| |
> 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 <mel@csn.ul.ie> > Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
I think there still are convertable caller. (recently, caller increased a bit) but it isn't important. anyway,
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
|