23 	/* All the nodes that are part of all the lower memory tiers. */
53  * Node 0 & 1 are CPU + DRAM nodes, node 2 & 3 are PMEM nodes.
72  * Node 0 & 1 are CPU + DRAM nodes, node 2 is memory-only DRAM node.
88  * Node 0 is CPU + DRAM nodes, Node 1 is HBM node, node 2 is PMEM node.
115 	nodemask_t nodes = NODE_MASK_NONE;  in get_memtier_nodemask()  local
119 		nodes_or(nodes, nodes, memtype->nodes);  in get_memtier_nodemask()
121 	return nodes;  in get_memtier_nodemask()
313 	 * If there are multiple target nodes, just select one  in next_demotion_node()
356  * nodes. Failing here is OK.  It might just indicate
388 		 * Add all memory nodes except the selected memory tier  in establish_demotion_targets()
395 		 * Find all the nodes in the memory tier node list of same best distance.  in establish_demotion_targets()
396 		 * add them to the preferred mask. We randomly select between nodes  in establish_demotion_targets()
437 	 * allocation to a set of nodes that is closer the above selected  in establish_demotion_targets()
443 		 * Keep removing current tier from lower_tier nodes,  in establish_demotion_targets()
444 		 * This will remove all nodes in current and above  in establish_demotion_targets()
490 	node_set(node, memtype->nodes);  in set_node_memory_tier()
515 	 * a valid memtier finds memory_dev_types with nodes still  in clear_node_memory_tier()
528 		node_clear(node, memtype->nodes);  in clear_node_memory_tier()
529 		if (nodes_empty(memtype->nodes)) {  in clear_node_memory_tier()
557 	memtype->nodes  = NODE_MASK_NONE;  in alloc_memory_type()
651 	 * Look at all the existing N_MEMORY nodes and add them to  in memory_tier_init()