Please review fix for 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size

[Coleen Phillimore]

Please reload.  I incorporated some suggestions and corrections from 
stefank and did some tuning of the class metaspace size.

Thanks,
Coleen

On 9/7/2012 7:22 AM, Coleen Phillimore wrote:
> Summary: Don't allocate huge class metaspace size by default on x64
>
> This was preventing other mmap regions from being initialized on 
> windows 64.  I also added some checking around the ClassMetaspaceSize 
> option.  1*M seems to be minimal for startup size
>
> open webrev at http://cr.openjdk.java.net/~coleenp/7196103/
>
> Thanks,
> Coleen
>
>