--- man-pages-2.48/man2/mmap.2.pom 2007-04-13 00:42:49.000000000 +0200 +++ man-pages-2.48/man2/mmap.2 2007-05-11 10:16:29.000000000 +0200 @@ -279,9 +279,14 @@ 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. +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.