Stable kernel 6.4.3 (and 6.3.13) released

The 6.4.3 stable kernel has been released;it contains a handful of fixes, mostly for problems associated with the per-VMA locking code. Anybody running 6.4probably wants this update.

Note that there is a much larger 6.3.13update going through a longer-than-usual review process that should show upsoon.

Update: 6.3.13 is now out. Notethat this is the last 6.3.x update.