44 	struct page *page, *next;  in release_freepages()  local
47 	list_for_each_entry_safe(page, next, freelist, lru) {  in release_freepages()
48 		unsigned long pfn = page_to_pfn(page);  in release_freepages()
49 		list_del(&page->lru);  in release_freepages()
50 		__free_page(page);  in release_freepages()
60 	struct page *page;  in map_pages()  local
62 	list_for_each_entry(page, list, lru) {  in map_pages()
63 		arch_alloc_page(page, 0);  in map_pages()
64 		kernel_map_pages(page, 1, 1);  in map_pages()
65 		kasan_alloc_pages(page, 0);  in map_pages()
91 static struct page *pageblock_pfn_to_page(unsigned long start_pfn,  in pageblock_pfn_to_page()
94 	struct page *start_page;  in pageblock_pfn_to_page()
95 	struct page *end_page;  in pageblock_pfn_to_page()
191 					struct page *page)  in isolation_suitable()  argument
196 	return !get_pageblock_skip(page);  in isolation_suitable()
221 		struct page *page;  in __reset_isolation_suitable()  local
228 		page = pfn_to_page(pfn);  in __reset_isolation_suitable()
229 		if (zone != page_zone(page))  in __reset_isolation_suitable()
232 		clear_pageblock_skip(page);  in __reset_isolation_suitable()
258 			struct page *page, unsigned long nr_isolated,  in update_pageblock_skip()  argument
267 	if (!page)  in update_pageblock_skip()
273 	set_pageblock_skip(page);  in update_pageblock_skip()
275 	pfn = page_to_pfn(page);  in update_pageblock_skip()
291 					struct page *page)  in isolation_suitable()  argument
297 			struct page *page, unsigned long nr_isolated,  in update_pageblock_skip()  argument
401 	struct page *cursor, *valid_page = NULL;  in isolate_freepages_block()
411 		struct page *page = cursor;  in isolate_freepages_block()  local
428 			valid_page = page;  in isolate_freepages_block()
436 		if (PageCompound(page)) {  in isolate_freepages_block()
437 			unsigned int comp_order = compound_order(page);  in isolate_freepages_block()
447 		if (!PageBuddy(page))  in isolate_freepages_block()
472 			if (!PageBuddy(page))  in isolate_freepages_block()
477 		isolated = split_free_page(page);  in isolate_freepages_block()
480 			list_add(&page->lru, freelist);  in isolate_freepages_block()
481 			page++;  in isolate_freepages_block()
617 	struct page *page;  in acct_isolated()  local
623 	list_for_each_entry(page, &cc->migratepages, lru)  in acct_isolated()
624 		count[!!page_is_file_cache(page)]++;  in acct_isolated()
673 	struct page *page = NULL, *valid_page = NULL;  in isolate_migratepages_block()  local
713 		page = pfn_to_page(low_pfn);  in isolate_migratepages_block()
716 			valid_page = page;  in isolate_migratepages_block()
724 		if (PageBuddy(page)) {  in isolate_migratepages_block()
725 			unsigned long freepage_order = page_order_unsafe(page);  in isolate_migratepages_block()
742 		is_lru = PageLRU(page);  in isolate_migratepages_block()
744 			if (unlikely(balloon_page_movable(page))) {  in isolate_migratepages_block()
745 				if (balloon_page_isolate(page)) {  in isolate_migratepages_block()
759 		if (PageCompound(page)) {  in isolate_migratepages_block()
760 			unsigned int comp_order = compound_order(page);  in isolate_migratepages_block()
776 		if (!page_mapping(page) &&  in isolate_migratepages_block()
777 		    page_count(page) > page_mapcount(page))  in isolate_migratepages_block()
788 			if (!PageLRU(page))  in isolate_migratepages_block()
796 			if (unlikely(PageCompound(page))) {  in isolate_migratepages_block()
797 				low_pfn += (1UL << compound_order(page)) - 1;  in isolate_migratepages_block()
802 		lruvec = mem_cgroup_page_lruvec(page, zone);  in isolate_migratepages_block()
805 		if (__isolate_lru_page(page, isolate_mode) != 0)  in isolate_migratepages_block()
808 		VM_BUG_ON_PAGE(PageCompound(page), page);  in isolate_migratepages_block()
811 		del_page_from_lru_list(page, lruvec, page_lru(page));  in isolate_migratepages_block()
814 		list_add(&page->lru, migratelist);  in isolate_migratepages_block()
898 static bool suitable_migration_target(struct page *page)  in suitable_migration_target()  argument
901 	if (PageBuddy(page)) {  in suitable_migration_target()
907 		if (page_order_unsafe(page) >= pageblock_order)  in suitable_migration_target()
912 	if (migrate_async_suitable(get_pageblock_migratetype(page)))  in suitable_migration_target()
936 	struct page *page;  in isolate_freepages()  local
979 		page = pageblock_pfn_to_page(block_start_pfn, block_end_pfn,  in isolate_freepages()
981 		if (!page)  in isolate_freepages()
985 		if (!suitable_migration_target(page))  in isolate_freepages()
989 		if (!isolation_suitable(cc, page))  in isolate_freepages()
1038 static struct page *compaction_alloc(struct page *migratepage,  in compaction_alloc()
1043 	struct page *freepage;  in compaction_alloc()
1057 	freepage = list_entry(cc->freepages.next, struct page, lru);  in compaction_alloc()
1069 static void compaction_free(struct page *page, unsigned long data)  in compaction_free()  argument
1073 	list_add(&page->lru, &cc->freepages);  in compaction_free()
1100 	struct page *page;  in isolate_migratepages()  local
1130 		page = pageblock_pfn_to_page(low_pfn, end_pfn, zone);  in isolate_migratepages()
1131 		if (!page)  in isolate_migratepages()
1135 		if (!isolation_suitable(cc, page))  in isolate_migratepages()
1144 		    !migrate_async_suitable(get_pageblock_migratetype(page)))  in isolate_migratepages()