--- linux-2.5.74/kernel/fork.c	Mon Jul  7 14:35:07 2003
+++ linux-2.5.74.aio/kernel/fork.c	Mon Jul  7 14:35:07 2003
@@ -375,6 +375,7 @@
 	mm->core_waiters = 0;
 	mm->page_table_lock = SPIN_LOCK_UNLOCKED;
 	mm->ioctx_list_lock = RW_LOCK_UNLOCKED;
+	mm->ioctx_list = NULL;
 	mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);
 	mm->free_area_cache = TASK_UNMAPPED_BASE;