[8u] RFR for backport of JDK-8169931: 8k class metaspace chunks misallocated from 4k chunk freelist

[David Holmes]

Hi Muthusamy,

On 2/01/2018 4:08 PM, Muthusamy Chinnathambi wrote:
> Ping..
> 
> May I please get a review for this?
> 
> Regards,
> Muthusamy C
> 
> -----Original Message-----
> From: Muthusamy Chinnathambi
> Sent: Monday, December 18, 2017 3:06 PM
> To: HotSpot Open Source Developers <hotspot-dev at openjdk.java.net>
> Subject: [8u] RFR for backport of JDK-8169931: 8k class metaspace chunks misallocated from 4k chunk freelist
> 
> Hi,
> 		
> Please review the backport of bug: "JDK-8169931: 8k class metaspace chunks misallocated from 4k chunk freelist" to jdk8u-dev
> 
> Please note that this is not a clean backport due to new entries in jni.cpp.
> 
> 
> Webrev:  http://cr.openjdk.java.net/~mchinnathamb/JDK-8169931/webrev.01/
> jdk9 bug:  https://bugs.openjdk.java.net/browse/JDK-8169931
> Original patch pushed to jdk9:  http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/8d26435a4c69

The functional backport appears to be a correct copy of the JDK 9 fix.

The use of the test code in jni.cpp also appears correct.

Copyright dates will now need to be updated to 2018.

Thanks,
David

> Test:  Had run jtreg, jprt hotspot testset and with -XX:+ExecuteInternalVMTests.
> 
> Regards,
> Muthusamy C
>