git: openjdk/jdk15u-dev: 8251257: NMT: jcmd VM.native_memory scale=1 crashes target VM

[Ekaterina Vergizova]

Changeset: 723da963
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Date:      2021-05-17 14:00:59 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/723da963557c23713cc5ae0fcbd6d8d0cfb77d67

8251257: NMT: jcmd VM.native_memory scale=1 crashes target VM

Backport-of: 6df465de7309e90bc4de8da66c7059035ffc9bef

! src/hotspot/share/services/nmtCommon.cpp
! test/hotspot/jtreg/runtime/NMT/JcmdScale.java