On Tue, 20 Apr 2010, Mel Gorman wrote: > alloc_pages_exact_node() avoids a branch in a hot path that is checking for > something the caller already knows. That's the reason it exists. We can avoid alloc_pages_exact_node() by making all callers of alloc_pages_node() never use -1. -1 is ambiguous and only rarely will a caller pass that to alloc_pages_node(). -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>