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-rw-r--r--include/linux/migrate.h32
1 files changed, 20 insertions, 12 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index ff0a64073eb..48148e0cdbd 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -1,36 +1,44 @@
#ifndef _LINUX_MIGRATE_H
#define _LINUX_MIGRATE_H
-#include <linux/config.h>
#include <linux/mm.h>
+typedef struct page *new_page_t(struct page *, unsigned long private, int **);
+
#ifdef CONFIG_MIGRATION
extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
extern int putback_lru_pages(struct list_head *l);
-extern int migrate_page(struct page *, struct page *);
-extern void migrate_page_copy(struct page *, struct page *);
-extern int migrate_page_remove_references(struct page *, struct page *, int);
-extern int migrate_pages(struct list_head *l, struct list_head *t,
- struct list_head *moved, struct list_head *failed);
-extern int migrate_pages_to(struct list_head *pagelist,
- struct vm_area_struct *vma, int dest);
-extern int fail_migrate_page(struct page *, struct page *);
+extern int migrate_page(struct address_space *,
+ struct page *, struct page *);
+extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long);
-extern int migrate_prep(void);
+extern int fail_migrate_page(struct address_space *,
+ struct page *, struct page *);
+extern int migrate_prep(void);
+extern int migrate_vmas(struct mm_struct *mm,
+ const nodemask_t *from, const nodemask_t *to,
+ unsigned long flags);
#else
static inline int isolate_lru_page(struct page *p, struct list_head *list)
{ return -ENOSYS; }
static inline int putback_lru_pages(struct list_head *l) { return 0; }
-static inline int migrate_pages(struct list_head *l, struct list_head *t,
- struct list_head *moved, struct list_head *failed) { return -ENOSYS; }
+static inline int migrate_pages(struct list_head *l, new_page_t x,
+ unsigned long private) { return -ENOSYS; }
static inline int migrate_pages_to(struct list_head *pagelist,
struct vm_area_struct *vma, int dest) { return 0; }
static inline int migrate_prep(void) { return -ENOSYS; }
+static inline int migrate_vmas(struct mm_struct *mm,
+ const nodemask_t *from, const nodemask_t *to,
+ unsigned long flags)
+{
+ return -ENOSYS;
+}
+
/* Possible settings for the migrate_page() method in address_operations */
#define migrate_page NULL
#define fail_migrate_page NULL