Kernel release status

The current development kernel is 2.6.0-test1, which was released by Linus on July 13. As is appropriate in this stage of development, this patch consists (almost) entirely of fixes. See the long-format changelog for the details.

The last of the 2.5 kernels was 2.5.75, released on July 10. This patch merged the anticipatory I/O scheduler (covered here last January), a new set of "kblockd" kernel threads (designed to handle block I/O operations without creating more such operations themselves), a scary new "nointegrity" JFS mount option, some software suspend tweaks, and, of course, lots of fixes and updates. See the long-format changelog for more.

Linus's BitKeeper tree contains a handful of small fixes, as of this writing.

Alan Cox has gotten back into the 2.6 prepatch business; his latest is 2.6.0-test1-ac2. This patch is made up almost entirely of fixes which have not yet made their way to Linus. Andrew Morton's 2.6.0-test1-mm1 is a much more bleeding-edge affair; it contains the latest ACPI code, the SELinux security module, a bunch of asynchronous I/O work, the 64-bit dev_t type, and much other stuff. The -mm tree is also where the bulk of the scheduler interactivity work is being done.

The current stable kernel is 2.4.21. The 2.4.22 process continues to move relatively quickly; 2.4.22-pre6 (consisting almost entirely of fixes) was released on July 14.

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