The current 2.6 kernel is 2.6.7
; the first 2.6.8 prepatch has not
yet been released as of this writing. There is, however, a large pile of
patches in Linus's BitKeeper tree, including support for new Apple
PowerBooks, more sparse annotations, some netfilter improvements, some
kbuild work, a new wait_event_interruptible_exclusive()
support for the O_NOATIME
flag in the open()
knobs for tuning the CFQ I/O scheduler, mirroring and snapshot targets for
the device mapper, the removal of the PC9800 subarchitecture, reiserfs
support, preemptible kernel support for the PPC64
architecture, and many fixes and updates.
The current prepatch from Andrew Morton is 2.6.7-mm1; recent additions to -mm include a
new knob for controlling how aggressively the system reclaims VFS caches
when memory gets tight, a memory allocation tweak to improve DMA segment
merging (see below), and various fixes.
The current 2.4 prepatch is 2.4.27-rc1, which was released by Marcelo on June 19. Only a
small number of fixes have gone in since the last prepatch. Now is the time
for those interested in a stable 2.4.27 release to do some testing.
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