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

[Severin Gehwolf]

Changeset: 2bbf8a2a
Author:    Severin Gehwolf <sgehwolf at openjdk.org>
Date:      2020-10-09 16:25:50 +0000
URL:       https://git.openjdk.java.net/jdk/commit/2bbf8a2a

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

Reviewed-by: bobv, shade

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