hg: hsx/hotspot-gc/hotspot: 7173959: Jvm crashed during coherence exabus (tmb) testing

[bengt.rutisson at oracle.com]

Changeset: 730cc4ddd550
Author:    brutisso
Date:      2012-12-17 08:49 +0100
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/730cc4ddd550

7173959: Jvm crashed during coherence exabus (tmb) testing
Summary: Mapping of aligned memory needs to be MT safe. Also reviewed by: vitalyd at gmail.com
Reviewed-by: dholmes, coleenp, zgu

! src/os/posix/vm/os_posix.cpp
! src/os/windows/vm/os_windows.cpp
! src/share/vm/runtime/os.hpp
! src/share/vm/runtime/virtualspace.cpp