RFR: 8269126: Rename G1AllowPreventiveGC option to G1UsePreventiveGC

[Thomas Schatzl]

On Tue, 29 Jun 2021 11:14:31 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

>> Hi all,
>> 
>>   can I have reviews for this change that as the title suggest only changes the name of the `G1AllowPreventiveGC` option to `G1UsePreventiveGC` to better conform to other G1 options which all use `Use`.
>> 
>> Since this is a diagnostic flag, no further process is required.
>> 
>> Testing: tier1-5
>> 
>> Thanks,
>>   Thomas
>
> lgtm!

Thanks @walulyai @kimbarrett for your reviews.

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PR: https://git.openjdk.java.net/jdk/pull/4571