Kernel prepatch 6.6-rc4

Linus has released https://lwn.net/Articles/946092/
 for testing.
"There's nothing particularly odd in here, if you don't count a week of
no networking pull as being odd.  That does result in rc4 being fairly
small, but I suspect we'll just see a bigger rc5 to compensate."

https://lwn.net/Articles/946093/