On Tue, 10 Nov 2020 16:41:49 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
>> Daniel D. Daugherty has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> dholmes-ora - convert inner while loop to do-while loop in
>> unlink_deflated().
>
> src/hotspot/share/oops/markWord.cpp line 63:
>
>> 61: fatal("bad header=" INTPTR_FORMAT, value());
>> 62: }
>> 63:
>
> This makes it so much clearer where the displaced markWord is.
Yup. That was the point. Get rid of the magic offset zero coding...
> src/hotspot/share/runtime/globals.hpp line 750:
>
>> 748: product(intx, MonitorUsedDeflationThreshold, 90, EXPERIMENTAL,
>> \
>> 749: "Percentage of used monitors before triggering deflation (0
>> is " \
>> 750: "off). The check is performed on GuaranteedSafepointInterval
>> " \
>
> Should there still be experimental options after this change?
Robbin added MonitorUsedDeflationThreshold as an experimental
option back in JDK10. See the longer reply to David's comment.
I don't plan to change that option with this changeset.
-------------
PR: https://git.openjdk.java.net/jdk/pull/642
