Andreas Kling 8fbdda5a2d Kernel: Implement basic support for sys$mmap() with MAP_PRIVATE ...

You can now mmap a file as private and writable, and the changes you
make will only be visible to you.

This works because internally a MAP_PRIVATE region is backed by a
unique PrivateInodeVMObject instead of using the globally shared
SharedInodeVMObject like we always did before. :^)

Fixes #1045.

2020-02-28 23:25:00 +01:00

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