[8u60] RFR of backport for 8067469: G1 ignores AlwaysPreTouch

[Thomas Schatzl]

Hi,

On Thu, 2015-03-26 at 09:35 +0100, Mikael Gerdin wrote:
> On 2015-03-25 22:31, Thomas Schatzl wrote:
> > Hi all,
> >
> >    can I have reviews for the backport of "8067469: G1 ignores
> > AlwaysPreTouch" for 8u60?
> >
> > It did only apply with minor changes, so I need re-reviews. The problem
> > is that JDK-8062063 that has been pushed later has already been
> > backported to 8u.
> >
> > Note that this change is based on "8067655: Clean up G1 remembered set
> > oop iteration" which is also out for review, and "8049536:
> > os::commit_memory on Solaris uses alignment_hint as page size" which
> > applied cleanly (hence no RFR for that one).
> 
> I have some sort of recollection that 8049536 causes some regression 
> with large pages, but I may be misremembering.
> Erik, do you remember?

Backporting "JDK-8049864 TestParallelHeapSizeFlags fails with unexpected
heap size" is next on my list. Then there is 8053995, 8066875, and
finally, as soon as it has completed some jdk9 nightlies, 8058354 :)

Thanks for this and the many other reviews,
  Thomas