RFR: JDK-8078904 : CMS: Assert failed: Ctl pt invariant

[Eric Caspole]

Good catch, I'll fix that now.
Eric

On 8/6/2015 11:49 AM, Kim Barrett wrote:
> On Aug 6, 2015, at 9:28 AM, Eric Caspole <eric.caspole at oracle.com> wrote:
>> Thomas and I had a IM about this the other day and in the end decided to allow the main rescan chunk array to grow if the user explicitly sets a very small MinTLABSize on the command line. There doesn't seem to be any good reason to set a very small MinTLABSize except maybe stress testing, and so it is simpler to grow this structure for that unusual case rather than use the stride I had in v03.
>>
>> The new one is here:
>>
>> http://cr.openjdk.java.net/~ecaspole/JDK-8078904/04/webrev/
>>
>> Bug:
>> https://bugs.openjdk.java.net/browse/JDK-8078904
> Looks good.
>
> One pre-existing issue. I don't need a new webrev if you fix this.
>
> ------------------------------------------------------------------------------
>   623       ((DefNewGeneration*)_young_gen)->max_survivor_size() / (ThreadLocalAllocBuffer::min_size() * HeapWordSize);
>
> [pre-existing]
> Unnecessary explicit up-cast of _young_gen to DefNewGeneration*.
>
> ------------------------------------------------------------------------------
>