hg: jdk-updates/jdk11u-dev: 8257746: Regression introduced with JDK-8250984 - memory might be null in some machines

[sgehwolf at redhat.com]

Changeset: 9847cbd1c46f
Author:    poonam
Date:      2021-01-28 15:07 +0000
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/9847cbd1c46f

8257746: Regression introduced with JDK-8250984 - memory might be null in some machines
Reviewed-by: hseigel, mbaesken

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