226 static unsigned long sparse_encode_mem_map(struct page *mem_map, unsigned long pnum)  in sparse_encode_mem_map()  argument
228 	return (unsigned long)(mem_map - (section_nr_to_pfn(pnum)));  in sparse_encode_mem_map()
234 struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pnum)  in sparse_decode_mem_map()  argument
238 	return ((struct page *)coded_mem_map) + section_nr_to_pfn(pnum);  in sparse_decode_mem_map()
242 		unsigned long pnum, struct page *mem_map,  in sparse_init_one_section()  argument
249 	ms->section_mem_map |= sparse_encode_mem_map(mem_map, pnum) |  in sparse_init_one_section()
341 static unsigned long *__init sparse_early_usemap_alloc(unsigned long pnum)  in sparse_early_usemap_alloc()  argument
344 	struct mem_section *ms = __nr_to_section(pnum);  in sparse_early_usemap_alloc()
365 struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)  in sparse_mem_map_populate()  argument
379 static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)  in sparse_early_mem_map_alloc()  argument
382 	struct mem_section *ms = __nr_to_section(pnum);  in sparse_early_mem_map_alloc()
385 	map = sparse_mem_map_populate(pnum, nid);  in sparse_early_mem_map_alloc()
404 	unsigned long pnum;  in sparse_init()  local
426 	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {  in sparse_init()
427 		if (!present_section_nr(pnum))  in sparse_init()
429 		usemap_map[pnum] = sparse_early_usemap_alloc(pnum);  in sparse_init()
432 	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {  in sparse_init()
433 		if (!present_section_nr(pnum))  in sparse_init()
436 		usemap = usemap_map[pnum];  in sparse_init()
440 		map = sparse_early_mem_map_alloc(pnum);  in sparse_init()
444 		sparse_init_one_section(__nr_to_section(pnum), pnum, map,  in sparse_init()
455 static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid,  in kmalloc_section_memmap()  argument
459 	return sparse_mem_map_populate(pnum, nid);  in kmalloc_section_memmap()
491 static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid,  in kmalloc_section_memmap()  argument