Patch 1 fixes a stale warning present from the time when only migration
softleaf entries were supported at the PMD level.

Patch 2 adds some code into hmm-tests.c which exercises the pagemap path
for PMD device-private entries.

---
Applies on mm-unstable (d17fe8a046a2).

v2->v3:
 - Use MADV_COLLAPSE, use PAGEMAP_PRESENT

v1->v2:
 - Add test

Dev Jain (2):
  fs/proc/task_mmu: do not warn on seeing non-migration pmd entry
  selftests/mm/hmm-tests: test pagemap reads of PMD device-private
    entries

 fs/proc/task_mmu.c                     |  1 -
 tools/testing/selftests/mm/hmm-tests.c | 34 ++++++++++++++++++++++++--
 2 files changed, 32 insertions(+), 3 deletions(-)

-- 
2.43.0


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