RFR: 8230092: ZGC: Consolidate ZBackingFile, ZBackingPath and ZPhysicalMemoryBacking on Linux

[Stefan Karlsson]

Looks good.

StefanK

On 2019-08-23 10:42, Per Liden wrote:
> After JDK-8230090, we can move ZBackingFile, ZBackingPath and 
> ZPhysicalMemoryBacking to os/linux/gc/z rather than having them 
> duplicated in os_cpu/linux_{x86,aarch64}/gc/z.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8230092
> Webrev: http://cr.openjdk.java.net/~pliden/8230092/webrev.0
> 
> Testing: Builds on linux_x86 and linux_aarch64, passes dacapo
> 
> /Per