.\" A file could not be mapped for reading.
.TP
.B ENODEV
-The underlying file system of the specified file does not support
+The underlying filesystem of the specified file does not support
memory mapping.
.TP
.B ENOMEM
.I prot
argument asks for
.B PROT_EXEC
-but the mapped area belongs to a file on a file system that
+but the mapped area belongs to a file on a filesystem that
was mounted no-exec.
.\" (Since 2.4.25 / 2.6.0.)
.TP