Merge: s390/mm: add support for UFFDIO_POISON
MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/6304
JIRA: https://issues.redhat.com/browse/RHEL-74362
These are complementary to commit 8a13897fb0daa (2097286f41 in RHEL) for
s390x.
Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Approved-by: Herton R. Krzesinski <herton@redhat.com>
Approved-by: Thomas Huth <thuth@redhat.com>
Approved-by: Rafael Aquini <raquini@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>
Merged-by: Patrick Talbert <ptalbert@redhat.com>
25be68b708