K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2018-07-08T20:38:46.896766Z
K 7
svn:log
V 329
Reuse the PV entry when updating a mapping in pmap_enter().

This addresses a problem described in r335784, where memory
pressure forces reclamation of a PV chunk and in rare cases leads to a
use-after-free of a page table page.

Reviewed by:	alc, kib
MFC after:	3 weeks
Differential Revision:	https://reviews.freebsd.org/D16181

END