This is a classic guide updated for modern kernels.
: Focus on Documentation/mm/ (memory management) and Documentation/scheduler/ . linux kernel programming pdf github high quality
git clone https://github.com/sysprog21/lkmpg.git cd lkmpg/examples make # compiles all examples sudo insmod hello.ko dmesg | tail This is a classic guide updated for modern kernels
: This is one of the most reliable free resources. It has been updated to cover modern 5.x and 6.x kernel versions linux kernel programming pdf github high quality
Mastering spinlocks, mutexes, and RCU (Read-Copy-Update) to prevent race conditions in a multi-core environment.