184  * Returns the property linux,drconf-usable-memory if
188 static const u32 *of_get_usable_memory(struct device_node *memory)  in of_get_usable_memory()  argument
192 	prop = of_get_property(memory, "linux,drconf-usable-memory", &len);  in of_get_usable_memory()
378 	struct device_node *memory = NULL;  in get_n_mem_cells()  local
380 	memory = of_find_node_by_type(memory, "memory");  in get_n_mem_cells()
381 	if (!memory)  in get_n_mem_cells()
382 		panic("numa.c: No memory nodes found!");  in get_n_mem_cells()
384 	*n_addr_cells = of_n_addr_cells(memory);  in get_n_mem_cells()
385 	*n_size_cells = of_n_size_cells(memory);  in get_n_mem_cells()
386 	of_node_put(memory);  in get_n_mem_cells()
413  * Read the next memblock list entry from the ibm,dynamic-memory property
432  * Retrieve and validate the ibm,dynamic-memory property of the device tree.
434  * The layout of the ibm,dynamic-memory property is a number N of memblock
438 static int of_get_drconf_memory(struct device_node *memory, const u32 **dm)  in of_get_drconf_memory()  argument
443 	prop = of_get_property(memory, "ibm,dynamic-memory", &len);  in of_get_drconf_memory()
460  * Retrieve and validate the ibm,lmb-size property for drconf memory
463 static u64 of_get_lmb_size(struct device_node *memory)  in of_get_lmb_size()  argument
468 	prop = of_get_property(memory, "ibm,lmb-size", &len);  in of_get_lmb_size()
483  * memory from the ibm,associativity-lookup-arrays property of the
491 static int of_get_assoc_arrays(struct device_node *memory,  in of_get_assoc_arrays()  argument
497 	prop = of_get_property(memory, "ibm,associativity-lookup-arrays", &len);  in of_get_assoc_arrays()
515  * This is like of_node_to_nid_single() for memory represented in the
516  * ibm,dynamic-reconfiguration-memory node.
591  * Check and possibly modify a memory region to enforce the memory limit.
593  * Returns the size the region should have to enforce the memory limit.
596  * discarded as it lies wholly above the memory limit.
604 	 * having memory holes below the limit.  Also, in the case of  in numa_enforce_memory_limit()
619  * linux,drconf-usable-memory property
624 	 * For each lmb in ibm,dynamic-memory a corresponding  in read_usm_ranges()
625 	 * entry in linux,drconf-usable-memory property contains  in read_usm_ranges()
627 	 * read the counter from linux,drconf-usable-memory  in read_usm_ranges()
633  * Extract NUMA information from the ibm,dynamic-reconfiguration-memory
636 static void __init parse_drconf_memory(struct device_node *memory)  in parse_drconf_memory()  argument
644 	n = of_get_drconf_memory(memory, &dm);  in parse_drconf_memory()
648 	lmb_size = of_get_lmb_size(memory);  in parse_drconf_memory()
652 	rc = of_get_assoc_arrays(memory, &aa);  in parse_drconf_memory()
657 	usm = of_get_usable_memory(memory);  in parse_drconf_memory()
700 	struct device_node *memory;  in parse_numa_properties()  local
714 	dbg("NUMA associativity depth for CPU/Memory: %d\n", min_common_depth);  in parse_numa_properties()
732 		 * cpus into nodes once the memory scan has discovered  in parse_numa_properties()
742 	for_each_node_by_type(memory, "memory") {  in parse_numa_properties()
750 		memcell_buf = of_get_property(memory,  in parse_numa_properties()
751 			"linux,usable-memory", &len);  in parse_numa_properties()
753 			memcell_buf = of_get_property(memory, "reg", &len);  in parse_numa_properties()
765 		 * Assumption: either all memory nodes or none will  in parse_numa_properties()
769 		nid = of_node_to_nid_single(memory);  in parse_numa_properties()
791 	 * ibm,dynamic-memory property in the  in parse_numa_properties()
792 	 * ibm,dynamic-reconfiguration-memory node.  in parse_numa_properties()
794 	memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");  in parse_numa_properties()
795 	if (memory)  in parse_numa_properties()
796 		parse_drconf_memory(memory);  in parse_numa_properties()
811 	printk(KERN_DEBUG "Memory hole size: %ldMB\n",  in setup_nonnuma()
814 	for_each_memblock(memory, reg) {  in setup_nonnuma()
871 		printk(KERN_DEBUG "Node %d Memory:", node);  in dump_numa_memory_topology()
895  * Allocate some memory, satisfying the memblock or bootmem allocator where
899  * Returns the virtual address of the memory.
911 	/* retry over all memory */  in careful_zallocation()
930 	 * instead of the MEMBLOCK.  We don't free the MEMBLOCK memory  in careful_zallocation()
1125  * Find the node associated with a hot added memory section for
1126  * memory represented in the device tree by the property
1127  * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory.
1129 static int hot_add_drconf_scn_to_nid(struct device_node *memory,  in hot_add_drconf_scn_to_nid()  argument
1138 	drconf_cell_cnt = of_get_drconf_memory(memory, &dm);  in hot_add_drconf_scn_to_nid()
1142 	lmb_size = of_get_lmb_size(memory);  in hot_add_drconf_scn_to_nid()
1146 	rc = of_get_assoc_arrays(memory, &aa);  in hot_add_drconf_scn_to_nid()
1173  * Find the node associated with a hot added memory section for memory
1174  * represented in the device tree as a node (i.e. memory@XXXX) for
1179 	struct device_node *memory;  in hot_add_node_scn_to_nid()  local
1182 	for_each_node_by_type(memory, "memory") {  in hot_add_node_scn_to_nid()
1188 		memcell_buf = of_get_property(memory, "reg", &len);  in hot_add_node_scn_to_nid()
1202 			nid = of_node_to_nid_single(memory);  in hot_add_node_scn_to_nid()
1210 	of_node_put(memory);  in hot_add_node_scn_to_nid()
1216  * Find the node associated with a hot added memory section.  Section
1222 	struct device_node *memory = NULL;  in hot_add_scn_to_nid()  local
1228 	memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");  in hot_add_scn_to_nid()
1229 	if (memory) {  in hot_add_scn_to_nid()
1230 		nid = hot_add_drconf_scn_to_nid(memory, scn_addr);  in hot_add_scn_to_nid()
1231 		of_node_put(memory);  in hot_add_scn_to_nid()
1255         struct device_node *memory = NULL;  in hot_add_drconf_memory_max()  local
1260         memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");  in hot_add_drconf_memory_max()
1261         if (memory) {  in hot_add_drconf_memory_max()
1262                 drconf_cell_cnt = of_get_drconf_memory(memory, &dm);  in hot_add_drconf_memory_max()
1263                 lmb_size = of_get_lmb_size(memory);  in hot_add_drconf_memory_max()
1264                 of_node_put(memory);  in hot_add_drconf_memory_max()
1270  * memory_hotplug_max - return max address of memory that may be added
1272  * This is currently only used on systems that support drconfig memory