98 struct page_ext *lookup_page_ext(struct page *page)  in lookup_page_ext()
102 	struct page_ext *base;  in lookup_page_ext()
122 	struct page_ext *base;  in alloc_node_page_ext()
139 	table_size = sizeof(struct page_ext) * nr_pages;  in alloc_node_page_ext()
175 struct page_ext *lookup_page_ext(struct page *page)  in lookup_page_ext()
186 	if (!section->page_ext)  in lookup_page_ext()
189 	return section->page_ext + pfn;  in lookup_page_ext()
214 	struct page_ext *base;  in init_section_page_ext()
219 	if (section->page_ext)  in init_section_page_ext()
222 	table_size = sizeof(struct page_ext) * PAGES_PER_SECTION;  in init_section_page_ext()
242 	section->page_ext = base - pfn;  in init_section_page_ext()
255 		table_size = sizeof(struct page_ext) * PAGES_PER_SECTION;  in free_page_ext()
265 	struct page_ext *base;  in __free_page_ext()
268 	if (!ms || !ms->page_ext)  in __free_page_ext()
270 	base = ms->page_ext + pfn;  in __free_page_ext()
272 	ms->page_ext = NULL;  in __free_page_ext()