diff --git a/man2/getrusage.2 b/man2/getrusage.2
index 4cafdd7ee..0e5bc0a34 100644
--- a/man2/getrusage.2
+++ b/man2/getrusage.2
@@ -36,7 +36,7 @@
 .\"     document ru_maxrss
 .\" 2010-05-24, mtk, enhanced description of various fields
 .\"
-.TH GETRUSAGE 2 2010-05-24 "Linux" "Linux Programmer's Manual"
+.TH GETRUSAGE 2 2010-06-14 "Linux" "Linux Programmer's Manual"
 .SH NAME
 getrusage \- get resource usage
 .SH SYNOPSIS
@@ -93,8 +93,11 @@ struct rusage {
 .fi
 .in
 .PP
-Not all fields are completed; unmaintained fields are set to zero by
-the kernel. The fields are interpreted as follows:
+Not all fields are completed;
+unmaintained fields are set to zero by the kernel.
+(The unmaintained fields are provided for compatibility with other systems,
+and because they may one day be supported on Linux.)
+The fields are interpreted as follows:
 .TP
 .I ru_utime
 This is the total amount of time spent executing in user mode,
@@ -115,16 +118,20 @@ this is the resident set size of the largest child, not the maximum
 resident set size of the process tree.
 .TP
 .IR ru_ixrss " (unmaintained)"
-On some systems, this is the integral of the text segment memory consumption,
-expressed in kilobyte-seconds.
+This field is currently unused on Linux.
+.\" On some systems,
+.\" this is the integral of the text segment memory consumption,
+.\" expressed in kilobyte-seconds.
 .TP
 .IR ru_idrss " (unmaintained)"
-On some systems, this is the integral of the data segment memory consumption,
-expressed in kilobyte-seconds.
+This field is currently unused on Linux.
+.\" On some systems, this is the integral of the data segment memory consumption,
+.\" expressed in kilobyte-seconds.
 .TP
 .IR ru_isrss " (unmaintained)"
-On some systems, this is the integral of the stack memory consumption,
-expressed in kilobyte-seconds.
+This field is currently unused on Linux.
+.\" On some systems, this is the integral of the stack memory consumption,
+.\" expressed in kilobyte-seconds.
 .TP
 .I ru_minflt
 The number of page faults serviced without any I/O activity; here
@@ -135,7 +142,8 @@ the list of pages awaiting reallocation.
 The number of page faults serviced that required I/O activity.
 .TP
 .IR ru_nswap  " (unmaintained)"
-On some systems, this is the number of swaps out of physical memory.
+This field is currently unused on Linux.
+.\" On some systems, this is the number of swaps out of physical memory.
 .TP
 .IR ru_inblock " (since Linux 2.6.22)"
 The number of times the file system had to perform input.
@@ -144,17 +152,20 @@ The number of times the file system had to perform input.
 The number of times the file system had to perform output.
 .TP
 .IR ru_msgsnd " (unmaintained)"
+This field is currently unused on Linux.
 .\" On FreeBSD 6.2, this appears to measure messages sent over sockets
-On some systems,
-this field records the number of messages sent over sockets.
+.\" On some systems,
+.\" this field records the number of messages sent over sockets.
 .TP
 .IR ru_msgrcv " (unmaintained)"
+This field is currently unused on Linux.
 .\" On FreeBSD 6.2, this appears to measure messages received over sockets
-On some systems,
-this field records the number of messages received over sockets.
+.\" On some systems,
+.\" this field records the number of messages received over sockets.
 .TP
 .IR ru_nsignals " (unmaintained)"
-On some systems, this field records the number of signals received.
+This field is currently unused on Linux.
+.\" On some systems, this field records the number of signals received.
 .TP
 .IR ru_nvcsw " (since Linux 2.6)"
 The number of times a context switch resulted due to a process