Found at:
	http://www.redhat.com/archives/fedora-cvs-commits/2007-March/msg00788.html

Size is, correctly, size_t and mmap, correctly, takes
size_t as the size argument; the cast to int flunks
64bit thinking.

diff -Naur ElectricFence-2.2.2/page.c ElectricFence-2.2.3/page.c
--- page.c	2007-03-16 13:20:44.000000000 -0400
+++ page.c	2007-03-16 13:23:28.000000000 -0400
@@ -70,7 +70,7 @@
 	 */
 	allocation = (caddr_t) mmap(
 	 startAddr
-	,(int)size
+	,size
 	,PROT_READ|PROT_WRITE
 	,MAP_PRIVATE|MAP_ANONYMOUS
 	,-1
@@ -122,7 +122,7 @@
 	 */
 	allocation = (caddr_t) mmap(
 	 startAddr
-	,(int)size
+	,size
 	,PROT_READ|PROT_WRITE
 	,MAP_PRIVATE
 	,devZeroFd