102 struct page_ext *lookup_page_ext(struct page *page)  in lookup_page_ext()
106 	struct page_ext *base;  in lookup_page_ext()
126 	struct page_ext *base;  in alloc_node_page_ext()
143 	table_size = sizeof(struct page_ext) * nr_pages;  in alloc_node_page_ext()
179 struct page_ext *lookup_page_ext(struct page *page)  in lookup_page_ext()
190 	if (!section->page_ext)  in lookup_page_ext()
193 	return section->page_ext + pfn;  in lookup_page_ext()
218 	struct page_ext *base;  in init_section_page_ext()
223 	if (section->page_ext)  in init_section_page_ext()
226 	table_size = sizeof(struct page_ext) * PAGES_PER_SECTION;  in init_section_page_ext()
246 	section->page_ext = base - pfn;  in init_section_page_ext()
259 		table_size = sizeof(struct page_ext) * PAGES_PER_SECTION;  in free_page_ext()
269 	struct page_ext *base;  in __free_page_ext()
272 	if (!ms || !ms->page_ext)  in __free_page_ext()
274 	base = ms->page_ext + pfn;  in __free_page_ext()
276 	ms->page_ext = NULL;  in __free_page_ext()