1 files changed, 48 insertions, 0 deletions
diff --git a/libdde-linux26/libdde_linux26/contrib/include/linux/migrate.h b/libdde-linux26/libdde_linux26/contrib/include/linux/migrate.h
new file mode 100644
index 00000000..527602cd
--- /dev/null
+++ b/libdde-linux26/libdde_linux26/contrib/include/linux/migrate.h
@@ -0,0 +1,48 @@
+#ifndef _LINUX_MIGRATE_H
+#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
+#define PAGE_MIGRATION 1
+
+extern int 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, unsigned long);
+
+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 putback_lru_pages(struct list_head *l) { return 0; }
+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
+
+#endif /* CONFIG_MIGRATION */
+#endif /* _LINUX_MIGRATE_H */