26 	unsigned long pfn = page_to_pfn(page);  in lookup_page_cgroup()  local
41 	offset = pfn - NODE_DATA(page_to_nid(page))->node_start_pfn;  in lookup_page_cgroup()
94 	unsigned long pfn = page_to_pfn(page);  in lookup_page_cgroup()  local
95 	struct mem_section *section = __pfn_to_section(pfn);  in lookup_page_cgroup()
106 	return section->page_cgroup + pfn;  in lookup_page_cgroup()
128 static int __meminit init_section_page_cgroup(unsigned long pfn, int nid)  in init_section_page_cgroup()  argument
134 	section = __pfn_to_section(pfn);  in init_section_page_cgroup()
158 	pfn &= PAGE_SECTION_MASK;  in init_section_page_cgroup()
159 	section->page_cgroup = base - pfn;  in init_section_page_cgroup()
179 static void __free_page_cgroup(unsigned long pfn)  in __free_page_cgroup()  argument
184 	ms = __pfn_to_section(pfn);  in __free_page_cgroup()
187 	base = ms->page_cgroup + pfn;  in __free_page_cgroup()
196 	unsigned long start, end, pfn;  in online_page_cgroup()  local
212 	for (pfn = start; !fail && pfn < end; pfn += PAGES_PER_SECTION) {  in online_page_cgroup()
213 		if (!pfn_present(pfn))  in online_page_cgroup()
215 		fail = init_section_page_cgroup(pfn, nid);  in online_page_cgroup()
221 	for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION)  in online_page_cgroup()
222 		__free_page_cgroup(pfn);  in online_page_cgroup()
230 	unsigned long start, end, pfn;  in offline_page_cgroup()  local
235 	for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION)  in offline_page_cgroup()
236 		__free_page_cgroup(pfn);  in offline_page_cgroup()
273 	unsigned long pfn;  in page_cgroup_init()  local
289 		for (pfn = start_pfn;  in page_cgroup_init()
290 		     pfn < end_pfn;  in page_cgroup_init()
291                      pfn = ALIGN(pfn + 1, PAGES_PER_SECTION)) {  in page_cgroup_init()
293 			if (!pfn_valid(pfn))  in page_cgroup_init()
301 			if (pfn_to_nid(pfn) != nid)  in page_cgroup_init()
303 			if (init_section_page_cgroup(pfn, nid))  in page_cgroup_init()