diff --git a/distrib/sets/lists/comp/mi b/distrib/sets/lists/comp/mi
index 5f66e93aacf3..985c23c3e48b 100644
--- a/distrib/sets/lists/comp/mi
+++ b/distrib/sets/lists/comp/mi
@@ -1,4 +1,4 @@
-#	$NetBSD: mi,v 1.411 2001/12/05 06:57:35 lukem Exp $
+#	$NetBSD: mi,v 1.412 2001/12/05 12:44:24 ad Exp $
 ./sys				comp-sysutil-root
 ./usr/bin/addr2line		comp-debug-bin
 ./usr/bin/ar			comp-util-bin
@@ -5568,6 +5568,7 @@
 ./usr/share/man/man9/m_pullup.9		comp-sys-man
 ./usr/share/man/man9/m_split.9		comp-sys-man
 ./usr/share/man/man9/malloc.9		comp-sys-man
+./usr/share/man/man9/malloc_roundup.9	comp-sys-man
 ./usr/share/man/man9/mbuf.9		comp-sys-man
 ./usr/share/man/man9/mca.9		comp-sys-man
 ./usr/share/man/man9/mca_conf_read.9		comp-sys-man
diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
index 58c5e51fafe1..d829348b3a4a 100644
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1,4 +1,4 @@
-#       $NetBSD: Makefile,v 1.100 2001/12/05 07:31:24 lukem Exp $
+#       $NetBSD: Makefile,v 1.101 2001/12/05 12:44:25 ad Exp $
 
 #	Makefile for section 9 (kernel function and variable) manual pages.
 
@@ -171,7 +171,7 @@ MLINKS+=lock.9 simple_lock_init.9 lock.9 simple_lock.9 \
 	lock.9 lockinit.9 lock.9 lockmgr.9 \
 	lock.9 lockstatus.9 lock.9 lockmgr_printinfo.9 \
 	lock.9 spinlockinit.9 lock.9 spinlockmgr.9
-MLINKS+=malloc.9 free.9
+MLINKS+=malloc.9 free.9 malloc_roundup.9
 MLINKS+=mbuf.9 m_get.9 mbuf.9 m_getclr.9 mbuf.9 m_gethdr.9 mbuf.9 m_devget.9 \
 	mbuf.9 m_copym.9 mbuf.9 m_copypacket.9 mbuf.9 m_copydata.9 \
 	mbuf.9 m_copyback.9 mbuf.9 m_cat.9 mbuf.9 m_dup.9 mbuf.9 m_prepend.9 \
diff --git a/share/man/man9/malloc.9 b/share/man/man9/malloc.9
index efb4c6df1d8f..bc368c8f74f1 100644
--- a/share/man/man9/malloc.9
+++ b/share/man/man9/malloc.9
@@ -1,4 +1,4 @@
-.\"	$NetBSD: malloc.9,v 1.20 2001/12/04 23:42:02 wiz Exp $
+.\"	$NetBSD: malloc.9,v 1.21 2001/12/05 12:44:25 ad Exp $
 .\"
 .\" Copyright (c) 1996 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -45,6 +45,8 @@
 .Ft void *
 .Fn malloc "unsigned long size" "int type" "int flags"
 .Fn MALLOC "space" "cast" "unsigned long size" "int type" "int flags"
+.Ft unsigned long
+.Fn malloc_roundup "unsigned long size"
 .Ft void
 .Fn free "void *addr" "int type"
 .Fn FREE "void *addr" "int type"
@@ -54,6 +56,8 @@ The
 function allocates uninitialized memory in kernel address space for an
 object whose size is specified by
 .Fa size .
+.Fn malloc_roundup
+returns the actual size of the allocation unit for the given value.
 .Fn free
 releases memory at address
 .Fa addr