rhashtable: Supports for nulls marker

[mirror_ubuntu-artful-kernel.git] / include / linux / list_nulls.h

diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h
index 5d10ae364b5eb5d0a50d220938dd2f020a8cafb2..e8c300e06438de24b069780f351a97ad467a5e40 100644 (file)
--- a/include/linux/list_nulls.h
+++ b/include/linux/list_nulls.h
@@ -21,8 +21,9 @@ struct hlist_nulls_head {
 struct hlist_nulls_node {
        struct hlist_nulls_node *next, **pprev;
 };
+#define NULLS_MARKER(value) (1UL | (((long)value) << 1))
 #define INIT_HLIST_NULLS_HEAD(ptr, nulls) \
-       ((ptr)->first = (struct hlist_nulls_node *) (1UL | (((long)nulls) << 1)))
+       ((ptr)->first = (struct hlist_nulls_node *) NULLS_MARKER(nulls))
 
 #define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member)
 /**