s/non-zero/true/,s/zero/false/

where applicable.

share/man/man9/uvm.9

@@ -1,4 +1,4 @@
-.\"	$NetBSD: uvm.9,v 1.91 2008/08/04 13:31:14 pooka Exp $
+.\"	$NetBSD: uvm.9,v 1.92 2008/08/06 07:49:15 skrll Exp $
 .\"
 .\" Copyright (c) 1998 Matthew R. Green
 .\" All rights reserved.
@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 4, 2008
+.Dd August 6, 2008
 .Dt UVM 9
 .Os
 .Sh NAME
@@ -346,7 +346,7 @@ also setting the maximum protection to the region to
 .Fa new_prot
 if
 .Fa set_max
-is non-zero.
+is true.
 This function returns a standard UVM return value.
 .Pp
 .Fn uvm_deallocate
@@ -649,12 +649,12 @@ is
 .Dv NULL .
 The addresses of the submap can be specified exactly by setting the
 .Fa fixed
-argument to non-zero, which causes the
+argument to true, which causes the
 .Fa min
 argument to specify the beginning of the address in the submap.
 If
 .Fa fixed
-is zero, any address of size
+is false, any address of size
 .Fa size
 will be allocated from
 .Fa map
@@ -664,7 +664,7 @@ and
 .Fa max .
 If
 .Fa pageable
-is non-zero, entries in the map may be paged out.
+is true, entries in the map may be paged out.
 .Sh ALLOCATION OF PHYSICAL MEMORY
 .Ft struct vm_page *
 .br