[8u] RFA for JDK-8169931: '8k class metaspace chunks misallocated from 4k chunk freelist'

[Muthusamy Chinnathambi]

Hi Sean,

> Approved for JDK 8u. Please ensure that you've taken into account the 
> JDK 9 backout which appeared to happen for the first attempt in fixing 
> this issue : https://bugs.openjdk.java.net/browse/JDK-8170355

Yes, the changes are in-line with the latest JDK-9.

Hi David,

> I think technically the backport should be for:

> 8170358: [REDO] 8k class metaspace chunks misallocated from 4k chunk Freelist
May I please know the process and if/what more needs to be done. Technically the changes are identical.

Regards,
Muthusamy C

-----Original Message-----
From: David Holmes 
Sent: Wednesday, January 3, 2018 4:06 AM
To: Seán Coffey <sean.coffey at oracle.com>; Muthusamy Chinnathambi <muthusamy.chinnathambi at oracle.com>; jdk8u-dev at openjdk.java.net
Subject: Re: [8u] RFA for JDK-8169931: '8k class metaspace chunks misallocated from 4k chunk freelist'

On 2/01/2018 11:21 PM, Seán Coffey wrote:
> Approved for JDK 8u. Please ensure that you've taken into account the 
> JDK 9 backout which appeared to happen for the first attempt in fixing 
> this issue : https://bugs.openjdk.java.net/browse/JDK-8170355

Well spotted Sean!

I think technically the backport should be for:

8170358: [REDO] 8k class metaspace chunks misallocated from 4k chunk 
freelist

David

> regards,
> Sean.
> 
> 
> On 02/01/2018 12:51, Muthusamy Chinnathambi wrote:
>> Hi,
>>
>> May I get the approval of backport of JDK-8169931: '8k class metaspace 
>> chunks misallocated from 4k chunk freelist'  to jdk8u.
>>
>>
>> JDK9 bug: https://bugs.openjdk.java.net/browse/JDK-8169931
>> Jdk9 review thread: 
>> http://mail.openjdk.java.net/pipermail/hotspot-dev/2016-November/025291.html 
>>
>> Jdk8 review threads: 
>> http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-December/029611.html 
>>
>>                       
>> http://mail.openjdk.java.net/pipermail/hotspot-dev/2018-January/029677.html 
>>
>> Webrev link: 
>> http://cr.openjdk.java.net/~mchinnathamb/JDK-8169931/webrev.02/
>>
>> Regards,
>> Muthusamy C
>