KOSAKI Motohiro wrote:

quoted

quoted

+	int node = numa_node_id();
+	struct zone *zones = NODE_DATA(node)->node_zones;
+	int num_cpus_on_node;
+	node_to_cpumask_ptr(cpumask_on_node, node);
 
 	node_free_pages =
 #ifdef CONFIG_ZONE_DMA

@@ -38,6 +41,10 @@ static unsigned long max_pages(unsigned 
 		zone_page_state(&zones[ZONE_NORMAL], NR_FREE_PAGES);
 
 	max = node_free_pages / FRACTION_OF_NODE_MEM;
+
+	num_cpus_on_node = cpus_weight_nr(*cpumask_on_node);
+	max /= num_cpus_on_node;
+
 	return max(max, min_pages);

Exactly!  And (many thanks to them!) the sparc maintainers have
implemented a similar internal function definition for node_to_cpumask_ptr().

Can I think get your Ack?

Based on code review, sure.  I'll also give it a try on one of my
test machines as soon as I can.

Mike

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