[Bug 288728] kern.ipc.nsfbufs called a sysctl var in tuning(7) but is a loader tunable

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 08 Aug 2025 14:22:26 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288728

            Bug ID: 288728
           Summary: kern.ipc.nsfbufs called a sysctl var in tuning(7) but
                    is a loader tunable
           Product: Documentation
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Manual Pages
          Assignee: bugs@FreeBSD.org
          Reporter: mvoorhis@mcvau.net
                CC: doc@FreeBSD.org

Hello all,

In FreeBSD 14-STABLE of 30 July 2025 in the tuning(7) manpage kern.ipc.nsfbufs
is referred to as a sysctl variable but the sysctl doesn't exist.

In the sendfile(2) manpage it is referred to as a loader.conf variable and
kern.ipc.nsfbufs is indeed mentioned in /boot/defaults/loader.conf on line 167.
 Its type is implied also by its presence in the loader_simp(8) manpage.

I suggest altering /usr/share/man/man7/tuning.7 (line 599/600), replacing
"kern.ipc.nsfbufs sysctl" with "kern.ipc.nsfbufs loader tunable".

Thanks,

--MCV.

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