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Date:   Fri, 20 Nov 2020 10:54:41 +0100
From:   Daniel Vetter <>
To:     DRI Development <>
Cc:     Intel Graphics Development <>,,,, LKML <>,
        Daniel Vetter <>
Subject: [PATCH 0/3] mmu_notifier fs fs_reclaim lockdep annotations

Hi all,

I've finally gotten around to polish of my lockdep anntotation patches
from a while ago:

That patch has been in -mm for a few days already, but it immediately hit
some issues with xfs.

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.

The unit test stuff was the major drag until I figured out how to make
this very easy with the locking selftests.

Comments, review, testing all very much welcome.

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(-)


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