2.6.x....

2.6.10 (December 24, 2004)
IRQ subsystem reworked
DVD+RW, CDRW packet writing support
Switchable modular I/O schedulers
And new CFQ scheduler
Generic circular buffers
Kernel events notification mechanism
Driver core functions become GPL-only
BSD secure levels
In-kernel keyring management
API changes: BIO walking, remap_pfn_range(), ...
ext3 block reservation, online resizing
spinlock initialization rework (API change)
I/O space write barriers
Big kernel lock preemption