K 10
svn:author
V 4
zlei
K 8
svn:date
V 27
2023-10-12T05:11:51.780373Z
K 7
svn:log
V 630
buf: Add sysctl flag CTLFLAG_TUN to loader tunable

The sysctl variable 'vfs.unmapped_buf_allowed' is actually a loader
tunable. Add sysctl flag CTLFLAG_TUN to it so that `sysctl -T` will
report it correctly.

No functional change intended.

Reviewed by:	kib, imp
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D42113

(cherry picked from commit 31b94065300a76e52c26b8caec7256574d64a777)
(cherry picked from commit 8c4eaac1534e0486bd0fc6816ccb59fc348a5707)
(cherry picked from commit 5184476107f7dfcbc9931a94a91f16c71915bbd9)

Git Hash:   5e5a2ef8585da72cbdf192016c9e3d02d047cbe0
Git Author: zlei@FreeBSD.org
END