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authorDmitry Torokhov <dtor_core@ameritech.net>2006-06-26 01:31:38 -0400
committerDmitry Torokhov <dtor_core@ameritech.net>2006-06-26 01:31:38 -0400
commit4854c7b27f0975a2b629f35ea3996d2968eb7c4f (patch)
tree4102bdb70289764a2058aff0f907b13d7cf0e0d1 /include/linux/migrate.h
parent3cbd5b32cb625f5c0f1b1476d154fac873dd49ce (diff)
parentfcc18e83e1f6fd9fa6b333735bf0fcd530655511 (diff)
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/migrate.h')
-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 ff0a64073ebc..48148e0cdbd1 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -1,36 +1,44 @@
1#ifndef _LINUX_MIGRATE_H 1#ifndef _LINUX_MIGRATE_H
2#define _LINUX_MIGRATE_H 2#define _LINUX_MIGRATE_H
3 3
4#include <linux/config.h>
5#include <linux/mm.h> 4#include <linux/mm.h>
6 5
6typedef struct page *new_page_t(struct page *, unsigned long private, int **);
7
7#ifdef CONFIG_MIGRATION 8#ifdef CONFIG_MIGRATION
8extern int isolate_lru_page(struct page *p, struct list_head *pagelist); 9extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
9extern int putback_lru_pages(struct list_head *l); 10extern int putback_lru_pages(struct list_head *l);
10extern int migrate_page(struct page *, struct page *); 11extern int migrate_page(struct address_space *,
11extern void migrate_page_copy(struct page *, struct page *); 12 struct page *, struct page *);
12extern int migrate_page_remove_references(struct page *, struct page *, int); 13extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long);
13extern int migrate_pages(struct list_head *l, struct list_head *t,
14 struct list_head *moved, struct list_head *failed);
15extern int migrate_pages_to(struct list_head *pagelist,
16 struct vm_area_struct *vma, int dest);
17extern int fail_migrate_page(struct page *, struct page *);
18 14
19extern int migrate_prep(void); 15extern int fail_migrate_page(struct address_space *,
16 struct page *, struct page *);
20 17
18extern int migrate_prep(void);
19extern int migrate_vmas(struct mm_struct *mm,
20 const nodemask_t *from, const nodemask_t *to,
21 unsigned long flags);
21#else 22#else
22 23
23static inline int isolate_lru_page(struct page *p, struct list_head *list) 24static inline int isolate_lru_page(struct page *p, struct list_head *list)
24 { return -ENOSYS; } 25 { return -ENOSYS; }
25static inline int putback_lru_pages(struct list_head *l) { return 0; } 26static inline int putback_lru_pages(struct list_head *l) { return 0; }
26static inline int migrate_pages(struct list_head *l, struct list_head *t, 27static inline int migrate_pages(struct list_head *l, new_page_t x,
27 struct list_head *moved, struct list_head *failed) { return -ENOSYS; } 28 unsigned long private) { return -ENOSYS; }
28 29
29static inline int migrate_pages_to(struct list_head *pagelist, 30static inline int migrate_pages_to(struct list_head *pagelist,
30 struct vm_area_struct *vma, int dest) { return 0; } 31 struct vm_area_struct *vma, int dest) { return 0; }
31 32
32static inline int migrate_prep(void) { return -ENOSYS; } 33static inline int migrate_prep(void) { return -ENOSYS; }
33 34
35static inline int migrate_vmas(struct mm_struct *mm,
36 const nodemask_t *from, const nodemask_t *to,
37 unsigned long flags)
38{
39 return -ENOSYS;
40}
41
34/* Possible settings for the migrate_page() method in address_operations */ 42/* Possible settings for the migrate_page() method in address_operations */
35#define migrate_page NULL 43#define migrate_page NULL
36#define fail_migrate_page NULL 44#define fail_migrate_page NULL