[hdk8u40] Request for review (s) - 8031323: Optionally align objects copied to survivor spaces

Jon Masamitsu jon.masamitsu at oracle.com
Wed Aug 6 17:52:42 UTC 2014

On 8/6/2014 2:26 AM, Thomas Schatzl wrote:
> Hi Jon,
> On Tue, 2014-08-05 at 14:07 -0700, Jon Masamitsu wrote:
>> This is a backport from jdk9.  The patch applied cleanly.
>> 8031323: Optionally align objects copied to survivor spaces
>> Add the option to specify an alignment for allocations into the
>> survivor spaces.  Survivor space allocations will overflow if the
>> survivor spaces have not been increased.   The expected use
>> is to align survivor space allocations to cache line sizes.
>> This is the webrev for the patch from jdk9.
>> http://cr.openjdk.java.net/~jmasa/8031323/webrev.00/
>> I made a change to the error message in arguments.cpp
>> here.  This change was based on a review comment I received
>> after the push to jdk9
> I would prefer if the change to the message were made to jdk9 first, and
> then both changes backported to 8u.

I will do that.  All your work to keep the jdk9 and the jdk8u sources
in sync (and backports easier) is very much appreciated by me.


I'm removing the webrev_delta.00 from the code review request.


> Otherwise it is hard to see what has already been backported and what
> not. (Say, by diffing the the summary lines of both branches).
> Thanks,
>    Thomas

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