Kernelnewbies:Resource page for the newbie kernel hacker.
The Linux Kernel Archives:This is the primary site for the Linux kernel source.
Improving (network) IO performance ...: A study on how to improve network performance.
KDB: Built-in kernel debugger from SGI.
Kernel Documents: Index of online documents and printed books, with keywords and descriptions.
Kernel Hacking: A new kernelhacking-HOWTO.
Kernel Newsflash: List of known bugs, organized by version number.
Kernel Traffic: A weekly summary of the high volume linux-kernel mailing list.
KernelTrap.org: A kernel related news site with a Linux bias.
kgdb: Linux kernel source level debugger.
Linux Compressed Cache: Details an experimental, additional level in the virtual memory hierarchy.
Linux Kernel Internals: Document which describes booting, processes, interrupts, VFS, page cache.
Linux Kernel Mailing List Archive: Searchable archive of kernel development e-mail list.
Linux Memory Management Subsystem: Documentation and development news for the memory management subsystem of the kernel.
Linux Rebuild Procedure: Information on how to build a custom kernel.
Linux Weekly News: Kernel development news and links to mailing lists.
Mailslots: New IPC Technique combining features of POSIX and System V Message Queues which provides a new role based security access.
MPLS, Linux & Networking: Information about MPLS and network implementation issues on Linux.
Proconfig: A module to record kernel configuration options.
Recompiling your kernel: Compilation instructions. New tutorials wanted.
Richard Gooch's Kernel Patches: A list of patches/contributions made by Richard Gooch.
Robert Love's kernel patches.: Kernel patches including a pre-emptible kernel patch.
T/TCP for Linux: An implementation of T/TCP (Transaction TCP) for the Linux kernel.
The CML2 Resources Page: Project to create a new configuration system for the Linux kernel build process
The SIG11 problem: Possible causes of a signal 11 occurring while compiling the kernel.
UK.Linux.org: Alan Cox's webpage, stable kernel release notes, and Linux news.
Understanding the Linux Kernel, Volume 2: A book covering all non-networking aspects of the 2.4 kernel.