hg: jdk9/hs-rt/hotspot: 8065050: vm crashes during CDS dump when very small SharedMiscDataSize is specified

[calvin.cheung at oracle.com]

Changeset: c891caba9ce9
Author:    ccheung
Date:      2014-12-05 12:24 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/c891caba9ce9

8065050: vm crashes during CDS dump when very small SharedMiscDataSize is specified
Summary: define minimum required sizes for the ro, rw, and md regions and make sure the specified sizes are not less than the minimum sizes
Reviewed-by: jiangli, dholmes, mseledtsov

! src/share/vm/memory/metaspace.cpp
! src/share/vm/memory/metaspaceShared.hpp
! test/runtime/SharedArchiveFile/LimitSharedSizes.java