#define _LINUX_MIGRATE_H
#include <linux/mm.h>
+#include <linux/mempolicy.h>
typedef struct page *new_page_t(struct page *, unsigned long private, int **);
-/* Check if a vma is migratable */
-static inline int vma_migratable(struct vm_area_struct *vma)
-{
- if (vma->vm_flags & (VM_IO|VM_HUGETLB|VM_PFNMAP|VM_RESERVED))
- return 0;
- return 1;
-}
-
#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 address_space *,
struct page *, struct page *);
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, new_page_t x,
unsigned long private) { return -ENOSYS; }