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pivot_root.2: Remove a note about a historical idea/expectation 

The idea that there might one day be a mechanism for kernel
threads to explicitly relinquish access to the filesystem never
came to pass (after 20 years), and the presence of text
describing this idea is, IMO, a distraction. So, remove it.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2019-09-10 10:36:27 +02:00
parent c4bf33331b
commit aff78c76f7
1 changed files with 0 additions and 4 deletions
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@ -204,10 +204,6 @@ is necessary in order to prevent kernel threads from keeping the old
root directory busy with their root and current working directory,
even if they never access
the filesystem in any way.
Perhaps one day there may be a mechanism for
kernel threads to explicitly relinquish any access to the filesystem,
such that this fairly intrusive mechanism can be removed from
.BR pivot_root ().
.PP
The rootfs (initial ramfs) cannot be
.BR pivot_root ()ed.