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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-08-02 10:06:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-08-02 10:06:12 -0700
commit8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd (patch)
tree0f1383880607a227142f9388a066959926233ff1 /include/linux/migrate.h
parent2a96271fb66c499e4a89d76a89d3d01170c10bef (diff)
parent7c744d00990ea999d27f306f6db5ccb61b1304b2 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.20 (or 6.0) merge window.
Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r--include/linux/migrate.h31
1 files changed, 20 insertions, 11 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index db96e10eb8da..069a89e847f3 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -47,7 +47,6 @@ void folio_migrate_copy(struct folio *newfolio, struct folio *folio);
int folio_migrate_mapping(struct address_space *mapping,
struct folio *newfolio, struct folio *folio, int extra_count);
-extern bool numa_demotion_enabled;
#else
static inline void putback_movable_pages(struct list_head *l) {}
@@ -74,9 +73,23 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping,
return -ENOSYS;
}
-#define numa_demotion_enabled false
#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
extern int PageMovable(struct page *page);
extern void __SetPageMovable(struct page *page, struct address_space *mapping);
@@ -92,6 +105,11 @@ static inline void __ClearPageMovable(struct page *page)
}
#endif
+static inline bool folio_test_movable(struct folio *folio)
+{
+ return PageMovable(&folio->page);
+}
+
#ifdef CONFIG_NUMA_BALANCING
extern int migrate_misplaced_page(struct page *page,
struct vm_area_struct *vma, int node);
@@ -164,15 +182,6 @@ struct migrate_vma {
int migrate_vma_setup(struct migrate_vma *args);
void migrate_vma_pages(struct migrate_vma *migrate);
void migrate_vma_finalize(struct migrate_vma *migrate);
-int next_demotion_node(int node);
-
-#else /* CONFIG_MIGRATION disabled: */
-
-static inline int next_demotion_node(int node)
-{
- return NUMA_NO_NODE;
-}
-
#endif /* CONFIG_MIGRATION */
#endif /* _LINUX_MIGRATE_H */