#ifdef CONFIG_MIGRATION
#define PAGE_MIGRATION 1
-extern int putback_lru_pages(struct list_head *l);
+extern void putback_lru_pages(struct list_head *l);
extern int migrate_page(struct address_space *,
struct page *, struct page *);
extern int migrate_pages(struct list_head *l, new_page_t x,
struct page *, struct page *);
extern int migrate_prep(void);
+extern int migrate_prep_local(void);
extern int migrate_vmas(struct mm_struct *mm,
const nodemask_t *from, const nodemask_t *to,
unsigned long flags);
#else
#define PAGE_MIGRATION 0
-static inline int putback_lru_pages(struct list_head *l) { return 0; }
+static inline void putback_lru_pages(struct list_head *l) {}
static inline int migrate_pages(struct list_head *l, new_page_t x,
unsigned long private, int offlining) { return -ENOSYS; }
static inline int migrate_prep(void) { return -ENOSYS; }
+static inline int migrate_prep_local(void) { return -ENOSYS; }
static inline int migrate_vmas(struct mm_struct *mm,
const nodemask_t *from, const nodemask_t *to,