[WEXT] net_device: Don't include wext bits if not required.

[pandora-kernel.git] / include / linux / migrate.h

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 48148e0..75e55dc 100644 (file)
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -5,6 +5,14 @@
 
 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);
 extern int putback_lru_pages(struct list_head *l);