RFR: 8237758: ZGC: Move get_mempolicy() syscall wrapper to ZSyscall

[erik.osterlund at oracle.com]

Hi Per,

Looks good!

/Erik

On 1/23/20 11:02 AM, Per Liden wrote:
> System call wrappers should live in ZSyscall, but the wrapper for 
> get_mempolicy() currently lives in ZNUMA. We should move it.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8237758
> Webrev: http://cr.openjdk.java.net/~pliden/8237758/webrev.0
>
> /Per