Use grep.app to search for kernel functions within the official torvalds/linux GitHub repository.

Jonathan Corbet, Alessandro Rubini, Greg Kroah-Hartman Best For: Driver development engineers.

Out-of-the-box templates for modern kernel modules.

The repository for Kaiwan N Billimoria's Linux Kernel Programming often includes supplemental PDF files with high-quality color diagrams and code walk-throughs for kernel internals and synchronization.

If you want to search for specific compiled PDFs, use the GitHub search bar with these queries: