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cff2945827
Extend it to all types of mem, meanwhile add one parallel test when
EVENT_FORK is enabled, where uffd-wp bits should be persisted rather than
dropped.
Since at it, rename the test to "wp-fork" to better show what it means.
Making the new test called "wp-fork-with-event".
Before:
Testing pagemap on anon... done
After:
Testing wp-fork on anon... done
Testing wp-fork on shmem... done
Testing wp-fork on shmem-private... done
Testing wp-fork on hugetlb... done
Testing wp-fork on hugetlb-private... done
Testing wp-fork-with-event on anon... done
Testing wp-fork-with-event on shmem... done
Testing wp-fork-with-event on shmem-private... done
Testing wp-fork-with-event on hugetlb... done
Testing wp-fork-with-event on hugetlb-private... done
Link: https://lkml.kernel.org/r/20230417195317.898696-5-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mika Penttilä <mpenttil@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>