From 9800562f2ab41656b0bdc2a41c77ab3f6dfdd6fc Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Mon, 6 Jun 2022 13:29:10 -0400 Subject: mm/folio-compat: Remove migration compatibility functions migrate_page_move_mapping(), migrate_page_copy() and migrate_page_states() are all now unused after converting all the filesystems from aops->migratepage() to aops->migrate_folio(). Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig --- mm/folio-compat.c | 22 ---------------------- mm/ksm.c | 2 +- 2 files changed, 1 insertion(+), 23 deletions(-) (limited to 'mm') diff --git a/mm/folio-compat.c b/mm/folio-compat.c index 20bc15b57d93..458618c7302c 100644 --- a/mm/folio-compat.c +++ b/mm/folio-compat.c @@ -51,28 +51,6 @@ void mark_page_accessed(struct page *page) } EXPORT_SYMBOL(mark_page_accessed); -#ifdef CONFIG_MIGRATION -int migrate_page_move_mapping(struct address_space *mapping, - struct page *newpage, struct page *page, int extra_count) -{ - return folio_migrate_mapping(mapping, page_folio(newpage), - page_folio(page), extra_count); -} -EXPORT_SYMBOL(migrate_page_move_mapping); - -void migrate_page_states(struct page *newpage, struct page *page) -{ - folio_migrate_flags(page_folio(newpage), page_folio(page)); -} -EXPORT_SYMBOL(migrate_page_states); - -void migrate_page_copy(struct page *newpage, struct page *page) -{ - folio_migrate_copy(page_folio(newpage), page_folio(page)); -} -EXPORT_SYMBOL(migrate_page_copy); -#endif - bool set_page_writeback(struct page *page) { return folio_start_writeback(page_folio(page)); diff --git a/mm/ksm.c b/mm/ksm.c index 54f78c9eecae..e8f8c1a2bb39 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -712,7 +712,7 @@ again: * however, it might mean that the page is under page_ref_freeze(). * The __remove_mapping() case is easy, again the node is now stale; * the same is in reuse_ksm_page() case; but if page is swapcache - * in migrate_page_move_mapping(), it might still be our page, + * in folio_migrate_mapping(), it might still be our page, * in which case it's essential to keep the node. */ while (!get_page_unless_zero(page)) { -- cgit v1.2.3