RFR: 8236926: Concurrently uncommit memory in G1 [v8]

[Stefan Johansson]

On Thu, 19 Nov 2020 08:45:31 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Stefan Johansson has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 17 commits:
>> 
>>  - Merge branch 'master' into 8236926-ccu
>>  - Thomas review
>>  - Merge branch 'master' into 8236926-ccu
>>  - Zoom feedback
>>  - Albert review 2
>>  - Albert review
>>  - Merge branch 'master' into 8236926-ccu
>>  - Lock for small mapper and use BitMap parallel operations.
>>  - Self review
>>  - Simplified task
>>  - ... and 7 more: https://git.openjdk.java.net/jdk/compare/03e84ef7...6e3e33fc
>
> src/hotspot/share/gc/g1/g1ServiceThread.cpp line 213:
> 
>> 211:   // Notify the service thread that there is a new task, thread might
>> 212:   // be waiting and the newly added task might be first in the list.
>> 213:   notify();
> 
> Maybe call `schedule_task()` here because the two calls are just that.

Good catch, yes since we are already calling `schedule_task()` this call to `notify` is not needed.

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PR: https://git.openjdk.java.net/jdk/pull/1141