[Bug] Build failure: Nvidia 590.x modules fail to compile on Kernel 6.19 (Ubuntu 25.10)

### Same-issue check Yes ### Linux Distribution Ubuntu ### Kernel version 6.19.7 ### What happened? Hello Frogging-Family team, I am experiencing a build failure when attempting to compile the linux-tkg kernel (v6.19.x) on Ubuntu 25.10 while using the Nvidia 590.x driver series. Hardware: CPU: AMD Ryzen 7 9800X3D GPU: NVIDIA GeForce RTX 5080 (Blackwell) The Problem: The Nvidia 590 driver fails to build against the 6.19 kernel headers. The primary error appears to be related to the removal/renaming of page_free to folio_free in the kernel's memory management (UVM), leading to an "incompatible pointer type" error during the DKMS or manual build process. ### Relevant logs Error! Your kernel headers for kernel linux-headers-6.19.6-tkg-bore cannot be found at /lib/modules/linux-headers-6.19.6-tkg-bore/build or /lib/modules/linux-headers-6.19.6-tkg-bore/source. Please install the linux-headers-linux-headers-6.19.6-tkg-bore package or use the --kernelsourcedir option to tell DKMS where it's located ### My Favorite type(s) of frog Frog, American Bullfrog (Lithobates catesbeianus), African Bullfrog (Pyxicephalus adspersus)