git: openjdk/jdk: 8268893: jcmd to trim the glibc heap

[Thomas Stuefe]

Changeset: 6096dd97
Author:    Thomas Stuefe <stuefe at openjdk.org>
Date:      2021-07-22 04:07:10 +0000
URL:       https://git.openjdk.java.net/jdk/commit/6096dd9765eaf280890f65c0ff1ab64864b9316a

8268893: jcmd to trim the glibc heap

Reviewed-by: simonis, dholmes

! src/hotspot/os/linux/os_linux.cpp
! src/hotspot/os/linux/os_linux.hpp
+ src/hotspot/os/linux/trimCHeapDCmd.cpp
+ src/hotspot/os/linux/trimCHeapDCmd.hpp
! src/hotspot/share/services/diagnosticCommand.cpp
+ test/hotspot/jtreg/serviceability/dcmd/vm/TrimLibcHeapTest.java