RFR(S): 8026396 - Remove information duplication in the collector policy

[Jesper Wilhelmsson]

Thanks John!
I'll have a look at the underflow issue.
/Jesper

John Coomes skrev 6/6/14 16:06:
> Jesper Wilhelmsson (jesper.wilhelmsson at oracle.com) wrote:
>> Hi,
>>
>> Another step towards cleaner collector policy code.
>>
>> This cleanup removes the need to keep the generation sizing flags in sync with
>> the collector policy version of the same variables during setup. The collector
>> policy variables are initialized in the start and then used throughout the setup
>> code. In the end we write the values back to the flags if needed.
>>
>> This change builds upon the merged collector policy (8027643) currently in review.
>>
>> Webrev: http://cr.openjdk.java.net/~jwilhelm/8026396/webrev/
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8026396
>
> This looks good to me.
>
> There seems to be a chance for underflow here:
>
> 534     _min_gen1_size = MIN2(_initial_gen1_size, _min_heap_byte_size - _min_gen0_size);
>
> but your change is ok, since that also existed in the original code.
>
> -John
>