Linux 2.6 is the next major release of the Linux kernel development
cycle, and it contains powerful features aimed at improved
performance on high-end enterprise servers as well as support
for several embedded devices. This release is not yet a stable
release but only a beta release: anyway there are many new
features that will be introduced with this release.
Linux 2.6 is a big step for Linux on enterprise servers as
well as for embedded systems. For high-end machines, new features
target performance improvements, scalability, throughput,
and NUMA support for SMP machines. For the embedded world,
new architectures and processor types have been added -- including
support for MMU-less systems that do not have a hardware-controlled
memory management scheme. And, as usual, a whole new set of
drivers for audio and multimedia have been added to cater
to the desktop crowd.
In this new release is support for ACPI (Advanced Configuration
and Power Interface), for CPU scaling (the ability to vary
the CPU clock frequency under varying loads to conserve power)
and software suspension (this feature is still being tested);
moreover IPSec (IP Security) support has been added to the
kernel. The IPSec feature uses the new crypto API provided
by the kernel. This crypto API includes various popular algorithms
like MD4, MD5 DES, and so on. Support for the new NFSv4 (Network
File System) client/server has been added.
Other important features are the new scheduler and the kernel
The 2.6 Linux kernel uses a new scheduler algorithm, developed
by Ingo Molnar. It should perform notably well under high
loads and it scales well with a large number of processors.
The kernel preemption patch has been merged into the 2.5 series
and subsequently will make it into 2.6. This should significantly
lower latencies for user interactive applications, multimedia
applications, etc. This feature is especially good for real-time
systems and embedded devices.
Do you need more details? See The
Wonderful World of Linux 2.6