Remove EFAULT from errors. Under ENOMEM error, note that EFAULT

was the error produced in some cases for kernels before 2.4.19.

man2/mprotect.2

@@ -29,7 +29,7 @@
 .\" 2007-06-02, mtk: Fairly substantial rewrites and additions, and
 .\" a much improved example program.
 .\"
-.TH MPROTECT 2 2008-06-02 "Linux" "Linux Programmer's Manual"
+.TH MPROTECT 2 2008-08-06 "Linux" "Linux Programmer's Manual"
 .SH NAME
 mprotect \- set protection on a region of memory
 .SH SYNOPSIS
@@ -87,9 +87,6 @@ a file to which you have read-only access, then ask
 to mark it
 .BR PROT_WRITE .
 .TP
-.B EFAULT
-The memory cannot be accessed.
-.TP
 .B EINVAL
 \fIaddr\fP is not a valid pointer,
 or not a multiple of the system page size.
@@ -97,11 +94,16 @@ or not a multiple of the system page size.
 .TP
 .B ENOMEM
 Internal kernel structures could not be allocated.
-Or: addresses in the range
+.TP
+.B ENOMEM
+Addresses in the range
 .RI [ addr ,
 .IR addr + len ]
 are invalid for the address space of the process,
 or specify one or more pages that are not mapped.
+(Before kernel 2.4.19, the error
+.BR EFAULT
+was incorrectly produced for these cases.)
 .SH "CONFORMING TO"
 SVr4, POSIX.1-2001.
 .\" SVr4 defines an additional error