RFR: 8250984: Memory Docker tests fail on some Linux kernels w/o cgroupv1 …

[Bob Vandette]

On Thu, 24 Sep 2020 18:32:38 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Please review this change to fix memory docker tests failures on some Linux kernels w/o cgroupv1 swap limit
> capabilities.  The fix works by detecting that swap limit capabilities are not available and returning non-swap related
> information.  For example, if memory and swap usage is requested, and swap limit capabilities are not available, then
> only memory usage is returned.  The fix was tested by running container tests on systems with and without swap limit
> capabilities.  Additionally, the changes were regression tested by running tier1 and tier2 tests on Windows, Linux x64,
> and Mac OS, and running tier3 - tier5 tests on Linux x64.

Marked as reviewed by bobv (Committer).

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PR: https://git.openjdk.java.net/jdk/pull/342