RFR: 8230846: ZGC: Make ZUtils::alloc_aligned() posix-specific

[Stefan Karlsson]

Looks good.

StefanK

On 2019-09-11 10:40, Per Liden wrote:
> ZUtils::alloc_aligned() is currently shared code, but with a 
> POSIX-specific implementation. We should move that function in under 
> src/hotspot/os/posix.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8230846
> Webrev: http://cr.openjdk.java.net/~pliden/8230846/webrev.0
> 
> /Per