Request for review: 8007018 RFE: -XX:+UseLargePages does not work with CDS

[David Holmes]

On 8/05/2013 12:41 AM, harold seigel wrote:
> Hi David,
>
> The UseLargePages and related options affect the Java heap.  They do not
> affect the shared archive.  Just to be sure, I created the shared
> archive with -XX:+UseLargePages and then ran tests with
> -XX:-UseLargePages -Xshare:on without problems.  I also did the reverse
> testing.

Okay thanks. Looks fine.

Do we know why it was originally disabled? I couldn't follow the trail 
through the sccs history.

David

> Thanks, Harold
>
> On 5/7/2013 12:28 AM, David Holmes wrote:
>> Hi Harold,
>>
>> Is there any requirement that the VM that generates the shared
>> archive, and the VMs that use it, run with the same value of
>> UseLargePages (and other large-page related values) ?
>>
>> Thanks,
>> David
>>
>> On 4/05/2013 3:31 AM, harold seigel wrote:
>>> Hi,
>>>
>>> Please review this fix for bug 8007018.
>>>
>>> There is no reason why UseLargePages does not work with CDS. So, the
>>> fix is to remove the explicit restriction of UseLargePages with CDS from
>>> arguments.cpp and then test.
>>>
>>> Testing was done with -XX:+UseLargePages -X:share<dump|on> on 64 bit
>>> Linux and 64 bit Solaris using JCK lang and vm tests and applicable UTE
>>> vm.quick.testlist and vm.mlvm.testlist tests.
>>>
>>> Open webrev at http://cr.openjdk.java.net/~hseigel/bug_8007018/
>>> <http://cr.openjdk.java.net/%7Ehseigel/bug_8007018/>
>>>
>>> Bug link at http://bugs.sun.com/view_bug.do?bug_id=8007018
>>>
>>> Thanks, Harold
>