list-add-list-last-entry.patch

Subject: list-add-list-last-entry.patch
From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 21 Jun 2011 11:22:36 +0200

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/list.h |   11 +++++++++++
 1 file changed, 11 insertions(+)

Index: linux-stable/include/linux/list.h
===================================================================
--- linux-stable.orig/include/linux/list.h
+++ linux-stable/include/linux/list.h
@@ -362,6 +362,17 @@ static inline void list_splice_tail_init
 	list_entry((ptr)->next, type, member)
 
 /**
+ * list_last_entry - get the last element from a list
+ * @ptr:	the list head to take the element from.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_last_entry(ptr, type, member) \
+	list_entry((ptr)->prev, type, member)
+
+/**
  * list_for_each	-	iterate over a list
  * @pos:	the &struct list_head to use as a loop cursor.
  * @head:	the head for your list.