]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/linux/migrate.h
mm: make CONFIG_MIGRATION available w/o CONFIG_NUMA
[linux-2.6-omap-h63xx.git] / include / linux / migrate.h
index e10a90a93b5d25a53fd12b5e623e40ffbc285bf3..03aea612d28450f24f96274c922a8da987bb918b 100644 (file)
@@ -3,28 +3,10 @@
 
 #include <linux/mm.h>
 #include <linux/mempolicy.h>
-#include <linux/pagemap.h>
 
 typedef struct page *new_page_t(struct page *, unsigned long private, int **);
 
 #ifdef CONFIG_MIGRATION
-/* 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;
-       /*
-        * Migration allocates pages in the highest zone. If we cannot
-        * do so then migration (at least from node to node) is not
-        * possible.
-        */
-       if (vma->vm_file &&
-               gfp_zone(mapping_gfp_mask(vma->vm_file->f_mapping))
-                                                               < policy_zone)
-                       return 0;
-       return 1;
-}
-
 extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
 extern int putback_lru_pages(struct list_head *l);
 extern int migrate_page(struct address_space *,
@@ -39,9 +21,6 @@ extern int migrate_vmas(struct mm_struct *mm,
                const nodemask_t *from, const nodemask_t *to,
                unsigned long flags);
 #else
-static inline int vma_migratable(struct vm_area_struct *vma)
-                                       { return 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; }