Re: [PATCH 0/1] MR9090: ntdll: Use Mach COW for write watches support on macOS.

[Tim Clem (＠tclem)]

Tim Clem (@tclem) commented about dlls/ntdll/unix/virtual.c:
> -
>        ERR( "mach_vm_protect failed: %d\n", kr );
> -
>        break;
> -
>    }
> -
> -
>    kr = mach_make_memory_entry_64( mach_task_self(), &region_size, current_address, mach_prot,
> -
>                                    &object_name, MACH_PORT_NULL );
> -
> -
>    if (kr != KERN_SUCCESS)
> -
>    {
> -
>        ERR( "mach_make_memory_entry_64 failed: %d\n", kr );
> -
>        current_address += host_page_size;
> -
>        continue;
> -
>    }
> -
> -
>    assert( region_size == host_page_size );
> -
>    mach_port_deallocate( mach_task_self(), object_name );

What's the point of making this memory entry?