K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2016-12-04T13:53:06.739765Z
K 7
svn:log
V 166
Add sys/systm.h to have critical_enter() defined, required by
machine/counter.h on i386.

This is a direct commit to stable/10.

Sponsored by:	The FreeBSD Foundation

END