RFR (S): 8074546: Rename and clean up the ParGCAllocBuffer class

[Stefan Karlsson]

On 2015-04-03 20:22, Kim Barrett wrote:
> On Apr 3, 2015, at 1:32 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
>> On Apr 3, 2015, at 11:30 AM, Joseph Provino <joseph.provino at oracle.com> wrote:
>>> ParGCAllocBuffer is changed to PLAB and G1ParGCAllocBuffer is changed to G1PLAB.
>>>
>>> parGCAllocBuffer.* is changed to plab*.
>>>
>>> CR:  https://bugs.openjdk.java.net/browse/JDK-8074546
>>>
>>> webrev:  http://cr.openjdk.java.net/~jprovino/8074546/webrev.00
>>>
>>> Test:  jprt
>> Looks good.
> Foo!  I got interrupted and forgot I had a couple of minor comments.
>
> ------------------------------------------------------------------------------
> src/share/vm/gc_implementation/shared/plab.hpp
>    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_PLAB_HPP
>    26 #define SHARE_VM_GC_IMPLEMENTATION_PARNEW_PLAB_HPP
> ...
>   197 #endif // SHARE_VM_GC_IMPLEMENTATION_PARNEW_PLAB_HPP
>
> PARNEW => SHARED
>
> [Apparently that didn't get updated when the file was moved from /parNew/
> to /shared/ several years ago.]
>
> ------------------------------------------------------------------------------
> src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
>    42 #include "gc_implementation/shared/plab.hpp"
>
> Since there are no other changes in this file, I think this include
> isn't needed at all by this file.  Of course, taking it out might
> uncover places that should be including it but aren't...
>
>

Looks good. It would be great if you could fix the nits Kim mentions.

Thanks,
StefanK