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authorThomas Gleixner <tglx@linutronix.de>2010-12-09 18:17:25 +0100
committerThomas Gleixner <tglx@linutronix.de>2010-12-09 18:17:25 +0100
commitd834a9dcecae834cd6b2bc5e50e1907738d9cf6a (patch)
tree0589d753465d3fe359ba451ba6cb7798df03aaa2 /include/linux/migrate.h
parenta38c5380ef9f088be9f49b6e4c5d80af8b1b5cd4 (diff)
parentf658bcfb2607bf0808966a69cf74135ce98e5c2d (diff)
Merge branch 'x86/amd-nb' into x86/apic-cleanups
Reason: apic cleanup series depends on x86/apic, x86/amd-nb x86/platform Conflicts: arch/x86/include/asm/io_apic.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r--include/linux/migrate.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 7238231b8dd4..085527fb8261 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -14,6 +14,8 @@ 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_huge_pages(struct list_head *l, new_page_t x,
+ unsigned long private, int offlining);
extern int fail_migrate_page(struct address_space *,
struct page *, struct page *);
@@ -23,12 +25,17 @@ 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);
+extern void migrate_page_copy(struct page *newpage, struct page *page);
+extern int migrate_huge_page_move_mapping(struct address_space *mapping,
+ struct page *newpage, struct page *page);
#else
#define PAGE_MIGRATION 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_huge_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; }
@@ -40,6 +47,15 @@ static inline int migrate_vmas(struct mm_struct *mm,
return -ENOSYS;
}
+static inline void migrate_page_copy(struct page *newpage,
+ struct page *page) {}
+
+static inline int migrate_huge_page_move_mapping(struct address_space *mapping,
+ struct page *newpage, struct page *page)
+{
+ return -ENOSYS;
+}
+
/* Possible settings for the migrate_page() method in address_operations */
#define migrate_page NULL
#define fail_migrate_page NULL