mm: Proactive Fixes for 9.2

The following patchset contains a number of fixes from upstream. Ordered by upstream commit order.

The patches have been found using Fixes or contain some reference to fixing a commit we currently have backported.

These changes have been tested through our KT1+ test suite, and showed improvements in stability and less errors.

Ommited-fix: 28148a17c988 ("openrisc: Fix pagewalk usage in arch_dma_{clear, set}_uncached")

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2089498

Signed-off-by: Nico Pache npache@redhat.com