pivot_root.2: Remove the term 'old_root'

Reid noted a confusion between 'old_root' (my attempt at a
shorthand for the old root point) and 'put_old. Eliminate the
confusion by replacing the shorthand with "old root mount point".

Reported-by: Reid Priedhorsky <reidpr@lanl.gov>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/pivot_root.2 b/man2/pivot_root.2
index ad0c881a6e102fda40e3533ba43b672379129ce7..84a8964fc5747d07abc06c1ba0ed651d3ee062ca 100644 (file)
--- a/man2/pivot_root.2
+++ b/man2/pivot_root.2
@@ -231,7 +231,6 @@ umount2(".", MNT_DETACH);
 This sequence succeeds because the
 .BR pivot_root ()
 call stacks the old root mount point
-.RI ( old_root )
 on top of the new root mount point at
 .IR / .
 At that point, the calling process's root directory and current
@@ -245,9 +244,7 @@ starts with
 .I new_root
 and then moves up the list of mounts stacked at
 .IR / ,
-with the result that
-.IR old_root
-is unmounted.
+with the result that old root mount point is unmounted.
 .PP
 The rootfs (initial ramfs) cannot be
 .BR pivot_root ()ed.