25 struct mem_section *mem_section[NR_SECTION_ROOTS]  variable
28 struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT]  variable
31 EXPORT_SYMBOL(mem_section);
62 static noinline struct mem_section __ref *sparse_index_alloc(int nid)  in sparse_index_alloc()
64 	struct mem_section *section = NULL;  in sparse_index_alloc()
66 				   sizeof(struct mem_section);  in sparse_index_alloc()
83 	struct mem_section *section;  in sparse_index_init()
85 	if (mem_section[root])  in sparse_index_init()
92 	mem_section[root] = section;  in sparse_index_init()
104 int __section_nr(struct mem_section* ms)  in __section_nr()
107 	struct mem_section* root;  in __section_nr()
123 int __section_nr(struct mem_section* ms)  in __section_nr()
125 	return (int)(ms - mem_section[0]);  in __section_nr()
140 static inline int sparse_early_nid(struct mem_section *section)  in sparse_early_nid()
180 		struct mem_section *ms;  in memory_present()
234 static int __meminit sparse_init_one_section(struct mem_section *ms,  in sparse_init_one_section()
422 		struct mem_section *ms;  in sparse_mem_maps_populate_node()
451 	struct mem_section *ms = __nr_to_section(pnum);  in sparse_early_mem_map_alloc()
483 		struct mem_section *ms;  in alloc_usemap_and_memmap()
494 		struct mem_section *ms;  in alloc_usemap_and_memmap()
535 	BUILD_BUG_ON(!is_power_of_2(sizeof(struct mem_section)));  in sparse_init()
696 	struct mem_section *ms;  in sparse_add_one_section()
790 void sparse_remove_one_section(struct zone *zone, struct mem_section *ms,  in sparse_remove_one_section()