[PATCH 4/4] mm: migrate: remove isolate_movable_page()

[Kefeng Wang <wangkefeng.wang@huawei.com>]

There are no more callers of isolate_movable_page(), remove it.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 include/linux/migrate.h | 3 ---
 mm/migrate.c            | 8 --------
 2 files changed, 11 deletions(-)

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 0a33f751596c..dca6712b8563 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -69,7 +69,6 @@ int migrate_pages(struct list_head *l, new_folio_t new, free_folio_t free,
 		  unsigned long private, enum migrate_mode mode, int reason,
 		  unsigned int *ret_succeeded);
 struct folio *alloc_migration_target(struct folio *src, unsigned long private);
-bool isolate_movable_page(struct page *page, isolate_mode_t mode);
 bool folio_isolate_movable(struct folio *folio, isolate_mode_t mode);
 bool isolate_folio_to_list(struct folio *folio, struct list_head *list);
 
@@ -91,8 +90,6 @@ static inline int migrate_pages(struct list_head *l, new_folio_t new,
 static inline struct folio *alloc_migration_target(struct folio *src,
 		unsigned long private)
 	{ return NULL; }
-static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode)
-	{ return false; }
 static inline bool folio_isolate_movable(struct folio *folio,
 					 isolate_mode_t mode)
 	{ return false; }
diff --git a/mm/migrate.c b/mm/migrate.c
index 3d8a97b74356..5bed761b1be9 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -128,14 +128,6 @@ bool folio_isolate_movable(struct folio *folio, isolate_mode_t mode)
 	return false;
 }
 
-bool isolate_movable_page(struct page *page, isolate_mode_t mode)
-{
-	if (PageTail(page))
-		return false;
-
-	return folio_isolate_movable((struct folio *)page, mode);
-}
-
 static void putback_movable_folio(struct folio *folio)
 {
 	const struct movable_operations *mops = folio_movable_ops(folio);
-- 
2.27.0