X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=blobdiff_plain;f=mm%2Fmemory_hotplug.c;h=fd57a296dd270b8856d5506bfe037e0d3809ad58;hp=f9d320828067fbe1b75bdb8db88f41aeb8fd891f;hb=028fc57a1c361116e3bcebfeba4ca87878baaf4f;hpb=e83a437faa625efb2e70924fd3c32ba95610c502

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index f9d320828067..fd57a296dd27 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1258,6 +1258,7 @@ int __ref add_memory_resource(int nid, struct resource *res, mhp_t mhp_flags)
 {
 	struct mhp_params params = { .pgprot = pgprot_mhp(PAGE_KERNEL) };
 	struct vmem_altmap mhp_altmap = {};
+	struct memory_group *group = NULL;
 	u64 start, size;
 	bool new_node = false;
 	int ret;
@@ -1269,6 +1270,13 @@ int __ref add_memory_resource(int nid, struct resource *res, mhp_t mhp_flags)
 	if (ret)
 		return ret;
 
+	if (mhp_flags & MHP_NID_IS_MGID) {
+		group = memory_group_find_by_id(nid);
+		if (!group)
+			return -EINVAL;
+		nid = group->nid;
+	}
+
 	if (!node_possible(nid)) {
 		WARN(1, "node %d was absent from the node_possible_map\n", nid);
 		return -EINVAL;
@@ -1303,7 +1311,8 @@ int __ref add_memory_resource(int nid, struct resource *res, mhp_t mhp_flags)
 		goto error;
 
 	/* create memory block devices after memory was added */
-	ret = create_memory_block_devices(start, size, mhp_altmap.alloc);
+	ret = create_memory_block_devices(start, size, mhp_altmap.alloc,
+					  group);
 	if (ret) {
 		arch_remove_memory(start, size, NULL);
 		goto error;