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-rw-r--r--include/linux/mmzone.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 322e8048463..57700038e66 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -33,8 +33,16 @@
*/
#define PAGE_ALLOC_COSTLY_ORDER 3
+#define MIGRATE_UNMOVABLE 0
+#define MIGRATE_MOVABLE 1
+#define MIGRATE_TYPES 2
+
+#define for_each_migratetype_order(order, type) \
+ for (order = 0; order < MAX_ORDER; order++) \
+ for (type = 0; type < MIGRATE_TYPES; type++)
+
struct free_area {
- struct list_head free_list;
+ struct list_head free_list[MIGRATE_TYPES];
unsigned long nr_free;
};