string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / include / linux / migrate.h

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 6789c49..7f085c9 100644 (file)
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -2,34 +2,42 @@
 #define _LINUX_MIGRATE_H
 
 #include <linux/mm.h>
+#include <linux/mempolicy.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);
+#define PAGE_MIGRATION 1
+
 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 private, int offlining);
 
-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
+#define PAGE_MIGRATION 0
 
-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_to(struct list_head *pagelist,
-                       struct vm_area_struct *vma, int dest) { return 0; }
+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_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