Linux/init.h | Upd Download

: Tells the kernel that the function is only used during initialization. Once the module is loaded, the kernel can free up the memory used by this function.

: The macros that point the kernel to your module’s entry and exit points.

When writing your Makefile , you should point your include path to this directory rather than trying to move the file manually. Why Manually Downloading the File Fails linux/init.h download

: Marks functions used only when the module is removed.

points to /lib/modules/$(uname -r)/build . : Tells the kernel that the function is

If you were to find a raw copy of linux/init.h on GitHub and download it, your compilation would still fail. This is because init.h itself includes other files like linux/compiler.h and linux/types.h . Kernel headers are a complex web of dependencies; you need the entire directory tree provided by the official package for your build to work. Summary for Developers To resolve the missing linux/init.h error: Use your package manager to install linux-headers .

Understanding linux/init.h : Why You Can’t Simply "Download" It When writing your Makefile , you should point

Once installed, you won't find the file in /usr/include/ (where standard C headers live). Instead, kernel headers are located in: /lib/modules/$(uname -r)/build/include/linux/init.h