selftests/mm: smoke test UFFD_FEATURE_WP_UNPOPULATED

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Enable it by default on the stress test, and add some smoke tests for the
pte markers on anonymous.

Link: https://lkml.kernel.org/r/20230309223711.823547-3-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: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

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Peter Xu 2023-03-09 17:37:11 -05:00 • committed by Andrew Morton

parent 2bad466cc9

commit 47fba2b6d5

1 changed files with 43 additions and 2 deletions

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tools/testing/selftests/mm/userfaultfd.c

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