git: openjdk/jdk16u: 8257746: Regression introduced with JDK-8250984 - memory might be null in some machines

[Harold Seigel]

Changeset: 692b2bf4
Author:    Harold Seigel <hseigel at openjdk.org>
Date:      2021-03-03 16:47:14 +0000
URL:       https://git.openjdk.java.net/jdk16u/commit/692b2bf4

8257746: Regression introduced with JDK-8250984 - memory might be null in some machines

Backport-of: abc4300de9c7a298c359fb585d3b0570a98df5cb

! src/java.base/linux/classes/jdk/internal/platform/cgroupv1/CgroupV1Subsystem.java