2.4.x patch: http://people.apache.org/~jim/patches/httpd-2.4-podx.patch
+1: jim
+ * event: Use skiplist and fold in performance tweeks from trunk
+ trunk patch: http://svn.apache.org/viewvc?view=revision&revision=1451706
+ http://svn.apache.org/viewvc?view=revision&revision=1517365
+ 2.4.x patch: http://people.apache.org/~jim/patches/httpd-2.4-event.patch
+ +1: jim
+
A list of further possible backports can be found at:
http://people.apache.org/~rjung/patches/possible-backports-httpd-trunk-2_4.txt
If you want to propose one of those, please still add them here.