[PATCH v3 0/3] mm: memory_failure: unmap poisoned filio during migrate properly

From: Wupeng Ma
Date: Sun Feb 16 2025 - 20:52:58 EST


From: Ma Wupeng <mawupeng1@xxxxxxxxxx>

Fix two bugs during migrate folio if folio is poisoned.

Changelog since v2:
- re-order patches
- fix compile errors
- modify patch #2 as suggested

Changelog since v1:
- update ttu flag inside unmap_poisoned_folio.
- check folio ref count before unmap HWpoisoned folio.

Ma Wupeng (3):
mm: memory-failure: update ttu flag inside unmap_poisoned_folio
mm: memory-hotplug: check folio ref count first in do_migrate_range
hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio

mm/internal.h | 5 ++--
mm/memory-failure.c | 61 +++++++++++++++++++++++----------------------
mm/memory_hotplug.c | 26 +++++++++----------
3 files changed, 46 insertions(+), 46 deletions(-)

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2.43.0