[jdk17u-dev] RFR: 8275582: Don't purge metaspace mapping lists

[Thomas Stuefe]

On Tue, 10 Jan 2023 14:03:30 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> I'd like to downport this, since it is a prerequisite for downporting [JDK-8275704](https://bugs.openjdk.org/browse/JDK-8275704)
> "Metaspace::contains() should be threadsafe".

I executed Metaspace related jtreg and -gtests on 32-bit debug locally, all is fine as expected. The patch was also tested in our nightlies for two nights in a row.

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PR: https://git.openjdk.org/jdk17u-dev/pull/1048