hg: hsx/hotspot-rt/hotspot: 8012015: Use PROT_NONE when reserving memory

[david.holmes at oracle.com]

Changeset: f32b6c267d2e
Author:    mikael
Date:      2013-04-29 11:03 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/f32b6c267d2e

8012015: Use PROT_NONE when reserving memory
Summary: Reserved memory had PROT_READ+PROT_WRITE access on Linux/bsd, now changed to PROT_NONE.
Reviewed-by: dholmes, ctornqvi

! src/os/bsd/vm/os_bsd.cpp
! src/os/linux/vm/os_linux.cpp
! src/share/vm/prims/whitebox.cpp
+ test/runtime/memory/ReserveMemory.java
! test/testlibrary/whitebox/sun/hotspot/WhiteBox.java