git: openjdk/jdk8u-dev: 8245543: Cgroups: Incorrect detection logic on some systems (still reproducible)

[Jonathan Dowland]

Changeset: d2df91dc
Author:    Jonathan Dowland <jdowland at openjdk.org>
Date:      2022-12-15 14:58:16 +0000
URL:       https://git.openjdk.org/jdk8u-dev/commit/d2df91dc5cbb83052c9e9f1a1460abf1c9900423

8245543: Cgroups: Incorrect detection logic on some systems (still reproducible)

Reviewed-by: sgehwolf
Backport-of: 2bbf8a2a964a64d88298a3dd184459af506e58ed

! hotspot/src/os/linux/vm/cgroupSubsystem_linux.cpp
! hotspot/test/runtime/containers/cgroup/CgroupSubsystemFactory.java
! jdk/src/linux/classes/jdk/internal/platform/CgroupSubsystemFactory.java
! jdk/test/jdk/internal/platform/cgroup/TestCgroupSubsystemFactory.java