124 static int __init alloc_node_page_ext(int nid)  in alloc_node_page_ext()  argument
130 	nr_pages = NODE_DATA(nid)->node_spanned_pages;  in alloc_node_page_ext()
139 	if (!IS_ALIGNED(node_start_pfn(nid), MAX_ORDER_NR_PAGES) ||  in alloc_node_page_ext()
140 		!IS_ALIGNED(node_end_pfn(nid), MAX_ORDER_NR_PAGES))  in alloc_node_page_ext()
147 			BOOTMEM_ALLOC_ACCESSIBLE, nid);  in alloc_node_page_ext()
150 	NODE_DATA(nid)->node_page_ext = base;  in alloc_node_page_ext()
158 	int nid, fail;  in page_ext_init_flatmem()  local
163 	for_each_online_node(nid)  {  in page_ext_init_flatmem()
164 		fail = alloc_node_page_ext(nid);  in page_ext_init_flatmem()
196 static void *__meminit alloc_page_ext(size_t size, int nid)  in alloc_page_ext()  argument
201 	addr = alloc_pages_exact_nid(nid, size, flags);  in alloc_page_ext()
207 	if (node_state(nid, N_HIGH_MEMORY))  in alloc_page_ext()
208 		addr = vzalloc_node(size, nid);  in alloc_page_ext()
215 static int __meminit init_section_page_ext(unsigned long pfn, int nid)  in init_section_page_ext()  argument
227 	base = alloc_page_ext(table_size, nid);  in init_section_page_ext()
281 				int nid)  in online_page_ext()  argument
289 	if (nid == -1) {  in online_page_ext()
295 		nid = pfn_to_nid(start_pfn);  in online_page_ext()
296 		VM_BUG_ON(!node_state(nid, N_ONLINE));  in online_page_ext()
302 		fail = init_section_page_ext(pfn, nid);  in online_page_ext()
315 				unsigned long nr_pages, int nid)  in offline_page_ext()  argument
362 	int nid;  in page_ext_init()  local
367 	for_each_node_state(nid, N_MEMORY) {  in page_ext_init()
370 		start_pfn = node_start_pfn(nid);  in page_ext_init()
371 		end_pfn = node_end_pfn(nid);  in page_ext_init()
388 			if (pfn_to_nid(pfn) != nid)  in page_ext_init()
390 			if (init_section_page_ext(pfn, nid))  in page_ext_init()