K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2019-10-15T03:51:46.435870Z
K 7
svn:log
V 301
(6/6) Convert pmap to expect busy in write related operations now that all
callers hold it.

This simplifies pmap code and removes a dependency on the object lock.

Reviewed by:    kib, markj
Tested by:      pho
Sponsored by:   Netflix, Intel
Differential Revision:	https://reviews.freebsd.org/D21596

END