26 struct mem_section **mem_section;  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()
84 	struct mem_section *section;  in sparse_index_init()
93 	if (mem_section[root])  in sparse_index_init()
100 	mem_section[root] = section;  in sparse_index_init()
112 unsigned long __section_nr(struct mem_section *ms)  in __section_nr()
115 	struct mem_section *root = NULL;  in __section_nr()
131 unsigned long __section_nr(struct mem_section *ms)  in __section_nr()
133 	return (unsigned long)(ms - mem_section[0]);  in __section_nr()
148 static inline int sparse_early_nid(struct mem_section *section)  in sparse_early_nid()
189 static void section_mark_present(struct mem_section *ms)  in section_mark_present()
229 		struct mem_section *ms;  in subsection_map_init()
257 	if (unlikely(!mem_section)) {  in memory_present()
260 		size = sizeof(struct mem_section*) * NR_SECTION_ROOTS;  in memory_present()
262 		mem_section = memblock_alloc(size, align);  in memory_present()
263 		if (!mem_section)  in memory_present()
273 		struct mem_section *ms;  in memory_present()
327 static void __meminit sparse_init_one_section(struct mem_section *ms,  in sparse_init_one_section()
563 		struct mem_section *ms;  in sparse_init_nid()
616 		struct mem_section *ms;  in online_mem_sections()
635 		struct mem_section *ms;  in offline_mem_sections()
677 	struct mem_section *ms = __pfn_to_section(pfn);  in clear_subsection_map()
694 static bool is_subsection_map_empty(struct mem_section *ms)  in is_subsection_map_empty()
702 	struct mem_section *ms = __pfn_to_section(pfn);  in fill_subsection_map()
770 static bool is_subsection_map_empty(struct mem_section *ms)  in is_subsection_map_empty()
800 	struct mem_section *ms = __pfn_to_section(pfn);  in section_deactivate()
848 	struct mem_section *ms = __pfn_to_section(pfn);  in section_activate()
909 	struct mem_section *ms;  in sparse_add_section()
966 void sparse_remove_section(struct mem_section *ms, unsigned long pfn,  in sparse_remove_section()