1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/memory.h b/include/linux/memory.h
index f80e0e331cb7..39628dfe4a4c 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -53,6 +53,12 @@ struct memory_notify {
 struct notifier_block;
 struct mem_section;
 
+/*
+ * Priorities for the hotplug memory callback routines (stored in decreasing
+ * order in the callback chain)
+ */
+#define SLAB_CALLBACK_PRI       1
+
 #ifndef CONFIG_MEMORY_HOTPLUG_SPARSE
 static inline int memory_dev_init(void)
 {