K 10
svn:author
V 3
alc
K 8
svn:date
V 27
2016-08-14T22:00:45.766030Z
K 7
svn:log
V 181
Eliminate unneeded vm_page_xbusy() and vm_page_xunbusy() operations when
neither vm_pager_has_page() nor vm_pager_get_pages() is called.

Reviewed by:	kib, markj
MFC after:	3 weeks

END