hg: hsx/hsx24/hotspot: 8013120: NMT: Kitchensink crashes with assert(next_region == NULL || !next_region->is_committed_region()) failed: Sanity check

[zhengyu.gu at oracle.com]

Changeset: 0816789a8270
Author:    zgu
Date:      2013-05-10 16:46 -0400
URL:       http://hg.openjdk.java.net/hsx/hsx24/hotspot/rev/0816789a8270

8013120: NMT: Kitchensink crashes with assert(next_region == NULL || !next_region->is_committed_region()) failed: Sanity check
Summary: Fixed NMT to deal with releasing virtual memory region when there are still committed regions within it
Reviewed-by: acorn, coleenp

! src/share/vm/runtime/os.cpp
! src/share/vm/runtime/os.hpp
! src/share/vm/services/memSnapshot.cpp
+ test/runtime/NMT/ReleaseCommittedMemory.java