NVIDIA have version-bumped their driver, and new driver 410.57 is now available, and details are here:  https://www.nvidia.com/Download/driverResults.aspx/138279/en-us

Tested with Kernel 4.19-rc4, and this version compiles/loads OK, without any need for a patch..

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ld -r -o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-modeset/nvidia-modeset-linux.o
Building modules, stage 2.
MODPOST 4 modules
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-drm.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-drm.ko
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-modeset.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-modeset.ko
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-uvm.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia-uvm.ko
CC /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia.mod.o
LD [M] /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-410.57/kernel/nvidia.ko
make[2]: Leaving directory '/usr/src/linux-4.19-rc4'
make[1]: Leaving directory '/usr/src/linux-4.19-rc4'

Robert Gadsdon.  September 21, 2018.