14 	/* list of all memory types part of this tier */
17 	 * start value of abstract distance. memory tier maps
126 	struct memory_tier *tier = to_memory_tier(dev);  in memory_tier_device_release()  local
129 	 * we don't have rcu access to this memory tier.  in memory_tier_device_release()
131 	kfree(tier);  in memory_tier_device_release()
174 	 * If the memtype is already part of a memory tier,  in find_create_memory_tier()
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()
414 	 * Promotion is allowed from a memory tier to higher  in establish_demotion_targets()
415 	 * memory tier only if the memory tier doesn't include  in establish_demotion_targets()
416 	 * compute. We want to skip promotion from a memory tier,  in establish_demotion_targets()
417 	 * if any node that is part of the memory tier have CPUs.  in establish_demotion_targets()
418 	 * Once we detect such a memory tier, we consider that tier  in establish_demotion_targets()
436 	 * all memory tier below it. This allows us to fallback demotion page  in establish_demotion_targets()
443 		 * Keep removing current tier from lower_tier nodes,  in establish_demotion_targets()
445 		 * memory tier from the lower_tier mask.  in establish_demotion_targets()
518 	 * This also enables us to free the destroyed memory tier  in clear_node_memory_tier()
634 		panic("%s() failed to register memory tier subsystem\n", __func__);  in memory_tier_init()
644 	 * than default DRAM tier.  in memory_tier_init()
648 		panic("%s() failed to allocate default DRAM tier\n", __func__);  in memory_tier_init()
652 	 * default memory tier or to a tier if we already have memory  in memory_tier_init()