RFR (S): 7127700: G1: Replace G1PLAB with PLAB

[Kim Barrett]

> On Feb 13, 2018, at 3:51 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi Kim, Stefan,
> 
>  thanks for your reviews.
> 
> On Tue, 2018-02-13 at 01:55 -0500, Kim Barrett wrote:
>>> On Feb 12, 2018, at 10:21 AM, Stefan Johansson <stefan.johansson at or
>>> acle.com> wrote:
>>> 
>>> Hi Thomas,
>>> 
>>> On 2018-02-12 10:30, Thomas Schatzl wrote:
>>>> Hi all,
>>>> 
>>>>  can I have reviews for this small change that removes G1PLAB
>>>> and uses the PLAB class throughout?
>>>> 
>>>> Although the CR indicates that the remaining _retired member of
>>>> G1PLAB might be useful, I think the additional check it provides
>>>> is not worth the effort, so I removed it.
>>>> 
>>>> CR:
>>>> https://bugs.openjdk.java.net/browse/JDK-7127700
>>>> Webrev:
>>>> http://cr.openjdk.java.net/~tschatzl/7127700/webrev/
>>> 
>>> Looks good, just one thing. Please remove the virtual declarations
>>> from PLAB in plab.hpp.
> 
> Done, see 
> http://cr.openjdk.java.net/~tschatzl/7127700/webrev.1 (full)
> http://cr.openjdk.java.net/~tschatzl/7127700/webrev/.0_to_1
> (diff)
> 
> webrevs.
> 
> Thanks,
>  Thomas

Looks good.