On 10/3/26 12:30, Donggeun Yoo wrote: > Move a swapped-out page out of a write-protected or RWP-protected area into > a destination registered for missing faults only, and read pagemap bit 57 > at the destination. The destination was never protected, so the bit must > be clear. > > Assisted-by: LLM > Signed-off-by: Donggeun Yoo <[email protected]> > --- > tools/testing/selftests/mm/uffd-unit-tests.c | 84 ++++++++++++++++++++
The CI complains as reply to this patch: ... Running userfaultfd(2) test ✗ userfaultfd(2) tests failed Running VMA merge test # # Totals: pass:27 fail:0 xfail:0 xpass:0 skip:0 error:0 # SUMMARY: PASS=1 SKIP=0 FAIL=0 ✓ VMA merge tests passed Running vmalloc test # SUMMARY: PASS=1 SKIP=0 FAIL=0 ✓ vmalloc tests passed ========================================== ✗ userfaultfd(2) test failed: # not ok 43 minor-collapse on shmem ------------------------------------------ Didn't look into the details / trying to reproduce. -- Cheers, David

