devm_memremap_pages: use numa_mem_id

Hint to closest numa node for the placement of newly allocated pages. As that is where the device's other allocations will originate by default when it does not specify a NUMA node. Cc: Ross Zwisler <[email protected]> Reviewed-by: Tejun Heo <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Dan Williams <[email protected]>
zuai · Oct 9, 2015 · 7eff93b · 7eff93b
1 parent 7c68394
commit 7eff93b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kernel/memremap.c b/kernel/memremap.c
@@ -174,7 +174,7 @@ void *devm_memremap_pages(struct device *dev, struct resource *res)
 
 	nid = dev_to_node(dev);
 	if (nid < 0)
-		nid = 0;
+		nid = numa_mem_id();
 
 	error = arch_add_memory(nid, res->start, resource_size(res), true);
 	if (error) {