Kernel release status

The current 2.6 prepatch is 2.6.26-rc2, released on May 12. This release is dominated by fixes, but also turns the big kernel lock (back) into a spinlock; see the article below for more information.

The current -mm tree is 2.6.26-rc2-mm1. Recent changes to -mm include a rebasing on top of the linux-next tree, a memory initialization debugging framework, the removal of the v850 port, a new set of system calls with additional flags arguments (see below), a WARN() macro which takes printk()-style arguments, ext4 online defragmentation, ext4 FIEMAP support, and the OMFS filesystem.

The current stable 2.6 kernel is 2.6.25.3, released on May 9. This release came out earlier than planned due to the inclusion of a couple of security fixes.

As of this writing, the 2.6.25.4 update - containing a few dozen fixes - is in the review process.

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