K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2021-06-16T20:30:43.911939Z
K 7
svn:log
V 296
LinuxKPI: add pr_err_once

Reviewed by:	hselasky, emaste
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D30672

(cherry picked from commit 05c2d94a081d5948560a01c26c7f432960cde606)

Git Hash:   626ecbc91b3983e0a78c41164943ef0daba7d20f
Git Author: greg@unrelenting.technology
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