hg: bsd-port/jdk8/hotspot: Merge fixes for JDK-6900441 and JDK-8029453 from Linux sources.

[jkim at freebsd.org]

Changeset: afc25b3b907e
Author:    jukim
Date:      2017-04-13 15:08 -0400
URL:       http://hg.openjdk.java.net/bsd-port/jdk8/hotspot/rev/afc25b3b907e

Merge fixes for JDK-6900441 and JDK-8029453 from Linux sources.

http://bugs.java.com/view_bug.do?bug_id=6900441
http://bugs.java.com/view_bug.do?bug_id=8029453

! src/os/bsd/vm/os_bsd.cpp
! src/os/bsd/vm/os_bsd.hpp