291 		struct page *newpage, struct page *page,  in migrate_page_move_mapping()  argument
338 	get_page(newpage);	/* add cache reference */  in migrate_page_move_mapping()
340 		SetPageSwapCache(newpage);  in migrate_page_move_mapping()
341 		set_page_private(newpage, page_private(page));  in migrate_page_move_mapping()
344 	radix_tree_replace_slot(pslot, newpage);  in migrate_page_move_mapping()
364 	__inc_zone_page_state(newpage, NR_FILE_PAGES);  in migrate_page_move_mapping()
367 		__inc_zone_page_state(newpage, NR_SHMEM);  in migrate_page_move_mapping()
379 				   struct page *newpage, struct page *page)  in migrate_huge_page_move_mapping()  argument
407 	get_page(newpage);  in migrate_huge_page_move_mapping()
409 	radix_tree_replace_slot(pslot, newpage);  in migrate_huge_page_move_mapping()
420 void migrate_page_copy(struct page *newpage, struct page *page)  in migrate_page_copy()  argument
423 		copy_huge_page(newpage, page);  in migrate_page_copy()
425 		copy_highpage(newpage, page);  in migrate_page_copy()
428 		SetPageError(newpage);  in migrate_page_copy()
430 		SetPageReferenced(newpage);  in migrate_page_copy()
432 		SetPageUptodate(newpage);  in migrate_page_copy()
435 		SetPageActive(newpage);  in migrate_page_copy()
437 		SetPageUnevictable(newpage);  in migrate_page_copy()
439 		SetPageChecked(newpage);  in migrate_page_copy()
441 		SetPageMappedToDisk(newpage);  in migrate_page_copy()
452 		__set_page_dirty_nobuffers(newpage);  in migrate_page_copy()
455 	mlock_migrate_page(newpage, page);  in migrate_page_copy()
456 	ksm_migrate_page(newpage, page);  in migrate_page_copy()
466 	if (PageWriteback(newpage))  in migrate_page_copy()
467 		end_page_writeback(newpage);  in migrate_page_copy()
476 			struct page *newpage, struct page *page)  in fail_migrate_page()  argument
489 		struct page *newpage, struct page *page,  in migrate_page()  argument
496 	rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode);  in migrate_page()
501 	migrate_page_copy(newpage, page);  in migrate_page()
513 		struct page *newpage, struct page *page, enum migrate_mode mode)  in buffer_migrate_page()  argument
519 		return migrate_page(mapping, newpage, page, mode);  in buffer_migrate_page()
523 	rc = migrate_page_move_mapping(mapping, newpage, page, head, mode);  in buffer_migrate_page()
537 	set_page_private(newpage, page_private(page));  in buffer_migrate_page()
540 	get_page(newpage);  in buffer_migrate_page()
544 		set_bh_page(bh, newpage, bh_offset(bh));  in buffer_migrate_page()
549 	SetPagePrivate(newpage);  in buffer_migrate_page()
551 	migrate_page_copy(newpage, page);  in buffer_migrate_page()
611 	struct page *newpage, struct page *page, enum migrate_mode mode)  in fallback_migrate_page()  argument
628 	return migrate_page(mapping, newpage, page, mode);  in fallback_migrate_page()
642 static int move_to_new_page(struct page *newpage, struct page *page,  in move_to_new_page()  argument
653 	if (!trylock_page(newpage))  in move_to_new_page()
657 	newpage->index = page->index;  in move_to_new_page()
658 	newpage->mapping = page->mapping;  in move_to_new_page()
660 		SetPageSwapBacked(newpage);  in move_to_new_page()
664 		rc = migrate_page(mapping, newpage, page, mode);  in move_to_new_page()
673 						newpage, page, mode);  in move_to_new_page()
675 		rc = fallback_migrate_page(mapping, newpage, page, mode);  in move_to_new_page()
678 		newpage->mapping = NULL;  in move_to_new_page()
681 			remove_migration_ptes(page, newpage);  in move_to_new_page()
685 	unlock_page(newpage);  in move_to_new_page()
690 static int __unmap_and_move(struct page *page, struct page *newpage,  in __unmap_and_move()  argument
737 	charge = mem_cgroup_prepare_migration(page, newpage, &mem, GFP_KERNEL);  in __unmap_and_move()
822 		rc = move_to_new_page(newpage, page, remap_swapcache, mode);  in __unmap_and_move()
833 		mem_cgroup_end_migration(mem, page, newpage, rc == 0);  in __unmap_and_move()
850 	struct page *newpage = get_new_page(page, private, &result);  in unmap_and_move()  local
852 	if (!newpage)  in unmap_and_move()
864 	rc = __unmap_and_move(page, newpage, force, offlining, mode);  in unmap_and_move()
882 	putback_lru_page(newpage);  in unmap_and_move()
887 			*result = page_to_nid(newpage);  in unmap_and_move()