K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2020-09-20T22:16:24.617283Z
K 7
svn:log
V 235
amd64 pmap: handle cases where pml4 page table page is not allocated.

Possible in LA57 pmap config.

Noted by:	alc
Reviewed by:	alc, markj
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D26492

END