K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2014-04-07T13:03:58.388975Z
K 7
svn:log
V 262
Do not assert that pages grabbed for readahead, are still there.
A race is possible when at this point read has already completed,
and since we do not hold wiring on the page, VM is able to remove
it from object.

Sponsored by:	Nginx, Inc.
Sponsored by:	Netflix

END