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-rw-r--r--include/linux/migrate.h15
1 files changed, 0 insertions, 15 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 22c0a0cf5e0c..704a04f5a074 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -100,21 +100,6 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping,
#endif /* CONFIG_MIGRATION */
-#if defined(CONFIG_MIGRATION) && defined(CONFIG_NUMA)
-extern void set_migration_target_nodes(void);
-extern void migrate_on_reclaim_init(void);
-extern bool numa_demotion_enabled;
-extern int next_demotion_node(int node);
-#else
-static inline void set_migration_target_nodes(void) {}
-static inline void migrate_on_reclaim_init(void) {}
-static inline int next_demotion_node(int node)
-{
- return NUMA_NO_NODE;
-}
-#define numa_demotion_enabled false
-#endif
-
#ifdef CONFIG_COMPACTION
bool PageMovable(struct page *page);
void __SetPageMovable(struct page *page, const struct movable_operations *ops);