K 10
svn:author
V 3
alc
K 8
svn:date
V 27
2016-05-27T06:05:12.760060Z
K 7
svn:log
V 396
Use vm_page_replace_checked() instead of vm_page_rename() for implementing
optimized copy-on-write faults.  This has two advantages: (1) one less radix
tree operation is performed and (2) vm_page_replace_checked() cannot fail,
making the code simpler.

Submitted by:	Ryan Libby
Reviewed by:	kib
Sponsored by:	EMC / Isilon Storage Division
Differential Revision:	https://reviews.freebsd.org/D4478

END