git: openjdk/jdk: 8255917: runtime/cds/SharedBaseAddress.java failed "assert(reserved_rgn != 0LL) failed: No reserved region"

[Yumin Qi]

Changeset: 36e20974
Author:    Yumin Qi <minqi at openjdk.org>
Date:      2020-12-15 16:52:26 +0000
URL:       https://git.openjdk.java.net/jdk/commit/36e20974

8255917: runtime/cds/SharedBaseAddress.java failed "assert(reserved_rgn != 0LL) failed: No reserved region"

Reviewed-by: ccheung, iklam, stuefe

! src/hotspot/share/memory/filemap.cpp
! src/hotspot/share/memory/metaspaceShared.cpp
! src/hotspot/share/memory/metaspaceShared.hpp
! src/hotspot/share/runtime/os.cpp
! src/hotspot/share/services/virtualMemoryTracker.cpp
! test/hotspot/jtreg/TEST.groups
! test/hotspot/jtreg/runtime/cds/SharedBaseAddress.java
+ test/hotspot/jtreg/runtime/cds/appcds/MismatchedPathTriggerMemoryRelease.java