RFR(XL): 8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)

[Kim Barrett]

> On Oct 7, 2019, at 2:10 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
>> On Oct 1, 2019, at 12:43 PM, sangheon.kim at oracle.com wrote:
>> webrev:
>> http://cr.openjdk.java.net/~sangheki/8220310/webrev.2/
>> http://cr.openjdk.java.net/~sangheki/8220310/webrev.2.inc
>> Testing: hs-tier1 ~ 5 +-UseNUMA
> 
> I like the direction of this.  I think there are some additional simplifications possible
> around G1NUMA, which are discussed below.

I forgot to mention: Some of my comments were a bit intertwined, so
that I ended up making a couple of patches to help me keep track.
Here are webrevs for those patches, which might be of some help to
you; use any parts you find useful.

https://cr.openjdk.java.net/~kbarrett/8220310/kab_g1numa/
https://cr.openjdk.java.net/~kbarrett/8220310/is_valid_numa_index/