mm: memory-failure: add unmap_poisoned_folio()

Add unmap_poisoned_folio() helper which will be reused by
do_migrate_range() from memory hotplug soon.

[[email protected]: whitespace tweak, per Miaohe Lin]
  Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kefeng Wang <[email protected]>
Acked-by: David Hildenbrand <[email protected]>
Acked-by: Miaohe Lin <[email protected]>
Cc: Dan Carpenter <[email protected]>
Cc: Jonathan Cameron <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: Oscar Salvador <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions