diff -r 4a8fed1c0ef6 -r 597aaf25e343 kernel/eka/memmodel/epoc/flexible/mmu/mobject.h
--- a/kernel/eka/memmodel/epoc/flexible/mmu/mobject.h	Sat Feb 20 00:10:51 2010 +0200
+++ b/kernel/eka/memmodel/epoc/flexible/mmu/mobject.h	Fri Mar 12 15:50:11 2010 +0200
@@ -916,6 +916,7 @@
 		/**
 		Overriding DReferenceCountedObject::AsyncClose.
 		This removes the linkage with #iMemory if this object is deleted.
+		@pre No fast mutex must be held.  Unlike DReferenceCountedObject::AsyncClose().
 		*/
 		void AsyncClose();