--- man-pages-2.41/man2/mmap.2.pom	2006-10-20 10:43:21.000000000 +0200
+++ man-pages-2.41/man2/mmap.2	2006-10-20 13:03:25.000000000 +0200
@@ -249,9 +249,15 @@
 when the process is terminated.  On the other hand, closing the file
 descriptor does not unmap the region.
 .LP
-The address
+If
+.B MAP_FIXED
+is specified,
 .I start
-must be a multiple of the page size. All pages containing a part
+must be a multiple of the page size.
+In all other cases 
+.I start
+address is rounded up to the next page size boundary.
+All pages containing a part
 of the indicated range are unmapped, and subsequent references
 to these pages will generate SIGSEGV. It is not an error if the
 indicated range does not contain any mapped pages.