diff --git a/man2/mbind.2 b/man2/mbind.2
index 9ccda4e13..8cb7609bf 100644
--- a/man2/mbind.2
+++ b/man2/mbind.2
@@ -22,7 +22,7 @@
 .\" 2007-08-27, Lee Schermerhorn <Lee.Schermerhorn@hp.com>
 .\"	more precise specification of behavior.
 .\"
-.TH MBIND 2 2008-05-22 Linux "Linux Programmer's Manual"
+.TH MBIND 2 2008-08-07 Linux "Linux Programmer's Manual"
 .SH NAME
 mbind \- Set memory policy for a memory range
 .SH SYNOPSIS
@@ -139,6 +139,11 @@ is zero,
 the
 .I nodemask
 argument is ignored.
+Where a
+.I nodemask
+is required, it must contain at least one node that is on-line,
+allowed by the process's current cpuset context,
+and contains memory.
 
 The
 .B MPOL_DEFAULT
@@ -303,19 +308,17 @@ and
 is empty.
 Or,
 .I maxnode
-exceeds kernel-imposed limit.
+exceeds a kernel-imposed limit.
 .\" As at 2.6.23, this limit is "a page worth of bits", e.g.,
 .\" 8 * 4096 bits, assuming a 4kB page size.
 Or,
 .I nodemask
 specifies one or more node IDs that are
-greater than the maximum supported node ID,
-or are not allowed in the calling task's context.
-.\" "calling task's context" refers to cpusets.
-.\" No man page avail to ref. --Lee Schermerhorn
+greater than the maximum supported node ID.
 Or, none of the node IDs specified by
 .I nodemask
-are on-line, or none of the specified nodes contain memory.
+are on-line and allowed by the process's current cpuset context,
+or none of the specified nodes contain memory.
 .TP
 .B EIO
 .B MPOL_MF_STRICT