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-rw-r--r--tools/perf/util/include/linux/list.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/list.h b/tools/perf/util/include/linux/list.h
index dbe4b814382..f5ca26e53fb 100644
--- a/tools/perf/util/include/linux/list.h
+++ b/tools/perf/util/include/linux/list.h
@@ -15,4 +15,12 @@ static inline void list_del_range(struct list_head *begin,
begin->prev->next = end->next;
end->next->prev = begin->prev;
}
+
+/**
+ * list_for_each_from - iterate over a list from one of its nodes
+ * @pos: the &struct list_head to use as a loop cursor, from where to start
+ * @head: the head for your list.
+ */
+#define list_for_each_from(pos, head) \
+ for (; prefetch(pos->next), pos != (head); pos = pos->next)
#endif