From Fedora core 3's kernel-2.4.20-8.src.rpm.

From kernel-2.4.spec:

# threading backport and O(1) scheduler backport; last because they need to
# be ifarch'd and touch a lot of code
Patch11000: linux-2.4.20-o1-sched+threading-backport.patch
Patch11001: linux-2.4.20-noresched.patch
Patch11002: linux-2.4.20-futex-debug.patch
Patch11003: linux-2.4.20-softlockup.patch
Patch11010: linux-2.4.20-ptrace.patch
Patch11030: linux-2.4.20-noscheduler.patch

These four patches are listed under 'nptlarchs' in kernel-2.4.spec:

a2c84d20b0022d8216881bc1affcb49e  linux-2.4.20-additional-vm-tuning.patch
01c6bd9af86da7f5ad209e435a6d7046  linux-2.4.20-noresched.patch
7fdb4e1e568dccd562edccb6ae9eba54  linux-2.4.20-o1-sched+threading-backport.patch
635c35498d0f976e4fb10b55d2604430  linux-2.4.20-ptrace.patch