RFR: 8256302: releasing oopStorage when deflating allows for faster deleting
Robbin Ehn
rehn at openjdk.org
Fri Dec 2 07:37:53 UTC 2022
On Fri, 2 Dec 2022 02:11:49 GMT, David Holmes <dholmes at openjdk.org> wrote:
> > You can ask by doing `_object().is_null()`
>
> Are you allowed to do that when safepoint-safe?
Yes, since we are only checking if we have pointer to an oop and not actually touching the oop it self.
oop* _obj;
...
return _obj == NULL;
-------------
PR: https://git.openjdk.org/jdk/pull/11296
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