[PATCH v4 0/3] mmu_notifier vs fs_reclaim lockdep annotations

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Hi all,

Just resending with the polish applied, no functional changes at all.

Previous versions.

v3: https://lore.kernel.org/dri-devel/20201120095445.1195585-1-daniel.vetter@xxxxxxxx/
v2: https://lore.kernel.org/dri-devel/20200610194101.1668038-1-daniel.vetter@xxxxxxxx/

Changes since v3:
- more acks/r-b
- typos in the kerneldoc fixed

Changes since v2:
- Now hopefully the bug that bombed xfs fixed.
- With unit-tests (that's the part I really wanted and never got to)
- might_alloc() helper thrown in for good.

I think if we have an ack/review from fs-devel this should be good to
land. Last version that landed in -mm (v2) broke xfs pretty badly.

Unfortuantely I don't have a working email from Qian anymore, who reported
the xfs issue. Maybe Dave Chinner instead?

Cheers, Daniel

Daniel Vetter (3):
  mm: Track mmu notifiers in fs_reclaim_acquire/release
  mm: Extract might_alloc() debug check
  locking/selftests: Add testcases for fs_reclaim

 include/linux/sched/mm.h | 16 ++++++++++++++
 lib/locking-selftest.c   | 47 ++++++++++++++++++++++++++++++++++++++++
 mm/mmu_notifier.c        |  7 ------
 mm/page_alloc.c          | 31 ++++++++++++++++----------
 mm/slab.h                |  5 +----
 mm/slob.c                |  6 ++---
 6 files changed, 86 insertions(+), 26 deletions(-)

-- 
2.29.2






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