Merge android16-6.12 into android16-6.12-lts

This merges the android16-6.12 branch into the -lts branch, catching
it up with the latest changes in there.

It contains the following commits:

* 44add072 FROMGIT: mm: page_alloc: tighten up find_suitable_fallback()
* 6cf09375 BACKPORT: mm: page_alloc: speed up fallbacks in rmqueue_bulk()
* 4f5843a6 UPSTREAM: mm/page_alloc: clarify should_claim_block() commentary
* ebbdcd4a UPSTREAM: mm/page_alloc: clarify terminology in migratetype fallback code
* 6154d631 BACKPORT: mm: page_alloc: group fallback functions together
* dcc9c466 UPSTREAM: mm: page_alloc: remove remnants of unlocked migratetype updates
* 1332d864 UPSTREAM: mm: page_alloc: don't steal single pages from biggest buddy
* 07bcd733 UPSTREAM: mm/page_alloc: add some detailed comments in can_steal_fallback

Change-Id: I8006cf1940a47021cbe824e596926ca13b48d076
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>