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[PATCH 2/3] devm_memremap_pages: use numa_mem_id

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  [PATCH 2/3] devm_memremap_pages: use numa_mem_id Dan Williams <dan.j.williams@intel.com> - 2015-09-26 03:30 +0200

#1233121 — [PATCH 2/3] 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: Christoph Hellwig <hch@lst.de>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 kernel/memremap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/memremap.c b/kernel/memremap.c
index 72b0c66628b6..86a5cdeb18f2 100644
--- a/kernel/memremap.c
+++ b/kernel/memremap.c
@@ -175,7 +175,7 @@ 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) {

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