55 	struct page *page, *next;  in release_freepages()  local
58 	list_for_each_entry_safe(page, next, freelist, lru) {  in release_freepages()
59 		unsigned long pfn = page_to_pfn(page);  in release_freepages()
60 		list_del(&page->lru);  in release_freepages()
61 		__free_page(page);  in release_freepages()
71 	struct page *page;  in map_pages()  local
73 	list_for_each_entry(page, list, lru) {  in map_pages()
74 		arch_alloc_page(page, 0);  in map_pages()
75 		kernel_map_pages(page, 1, 1);  in map_pages()
76 		kasan_alloc_pages(page, 0);  in map_pages()
102 static struct page *pageblock_pfn_to_page(unsigned long start_pfn,  in pageblock_pfn_to_page()
105 	struct page *start_page;  in pageblock_pfn_to_page()
106 	struct page *end_page;  in pageblock_pfn_to_page()
202 					struct page *page)  in isolation_suitable()  argument
207 	return !get_pageblock_skip(page);  in isolation_suitable()
228 		struct page *page;  in __reset_isolation_suitable()  local
235 		page = pfn_to_page(pfn);  in __reset_isolation_suitable()
236 		if (zone != page_zone(page))  in __reset_isolation_suitable()
239 		clear_pageblock_skip(page);  in __reset_isolation_suitable()
263 			struct page *page, unsigned long nr_isolated,  in update_pageblock_skip()  argument
272 	if (!page)  in update_pageblock_skip()
278 	set_pageblock_skip(page);  in update_pageblock_skip()
280 	pfn = page_to_pfn(page);  in update_pageblock_skip()
296 					struct page *page)  in isolation_suitable()  argument
302 			struct page *page, unsigned long nr_isolated,  in update_pageblock_skip()  argument
406 	struct page *cursor, *valid_page = NULL;  in isolate_freepages_block()
416 		struct page *page = cursor;  in isolate_freepages_block()  local
433 			valid_page = page;  in isolate_freepages_block()
434 		if (!PageBuddy(page))  in isolate_freepages_block()
459 			if (!PageBuddy(page))  in isolate_freepages_block()
464 		isolated = split_free_page(page);  in isolate_freepages_block()
467 			list_add(&page->lru, freelist);  in isolate_freepages_block()
468 			page++;  in isolate_freepages_block()
597 	struct page *page;  in acct_isolated()  local
603 	list_for_each_entry(page, &cc->migratepages, lru)  in acct_isolated()
604 		count[!!page_is_file_cache(page)]++;  in acct_isolated()
653 	struct page *page = NULL, *valid_page = NULL;  in isolate_migratepages_block()  local
691 		page = pfn_to_page(low_pfn);  in isolate_migratepages_block()
694 			valid_page = page;  in isolate_migratepages_block()
702 		if (PageBuddy(page)) {  in isolate_migratepages_block()
703 			unsigned long freepage_order = page_order_unsafe(page);  in isolate_migratepages_block()
720 		if (!PageLRU(page)) {  in isolate_migratepages_block()
721 			if (unlikely(balloon_page_movable(page))) {  in isolate_migratepages_block()
722 				if (balloon_page_isolate(page)) {  in isolate_migratepages_block()
740 		if (PageTransHuge(page)) {  in isolate_migratepages_block()
745 				low_pfn += (1 << compound_order(page)) - 1;  in isolate_migratepages_block()
755 		if (!page_mapping(page) &&  in isolate_migratepages_block()
756 		    page_count(page) > page_mapcount(page))  in isolate_migratepages_block()
767 			if (!PageLRU(page))  in isolate_migratepages_block()
769 			if (PageTransHuge(page)) {  in isolate_migratepages_block()
770 				low_pfn += (1 << compound_order(page)) - 1;  in isolate_migratepages_block()
775 		lruvec = mem_cgroup_page_lruvec(page, zone);  in isolate_migratepages_block()
778 		if (__isolate_lru_page(page, isolate_mode) != 0)  in isolate_migratepages_block()
781 		VM_BUG_ON_PAGE(PageTransCompound(page), page);  in isolate_migratepages_block()
784 		del_page_from_lru_list(page, lruvec, page_lru(page));  in isolate_migratepages_block()
787 		list_add(&page->lru, migratelist);  in isolate_migratepages_block()
871 static bool suitable_migration_target(struct page *page)  in suitable_migration_target()  argument
874 	if (PageBuddy(page)) {  in suitable_migration_target()
880 		if (page_order_unsafe(page) >= pageblock_order)  in suitable_migration_target()
885 	if (migrate_async_suitable(get_pageblock_migratetype(page)))  in suitable_migration_target()
899 	struct page *page;  in isolate_freepages()  local
943 		page = pageblock_pfn_to_page(block_start_pfn, block_end_pfn,  in isolate_freepages()
945 		if (!page)  in isolate_freepages()
949 		if (!suitable_migration_target(page))  in isolate_freepages()
953 		if (!isolation_suitable(cc, page))  in isolate_freepages()
996 static struct page *compaction_alloc(struct page *migratepage,  in compaction_alloc()
1001 	struct page *freepage;  in compaction_alloc()
1015 	freepage = list_entry(cc->freepages.next, struct page, lru);  in compaction_alloc()
1027 static void compaction_free(struct page *page, unsigned long data)  in compaction_free()  argument
1031 	list_add(&page->lru, &cc->freepages);  in compaction_free()
1057 	struct page *page;  in isolate_migratepages()  local
1087 		page = pageblock_pfn_to_page(low_pfn, end_pfn, zone);  in isolate_migratepages()
1088 		if (!page)  in isolate_migratepages()
1092 		if (!isolation_suitable(cc, page))  in isolate_migratepages()
1101 		    !migrate_async_suitable(get_pageblock_migratetype(page)))  in isolate_migratepages()