[PATCH resend v2 0/5] mm: memory_hotplug: improve do_migrate_range()

[Kefeng Wang <wangkefeng.wang@huawei.com>]

Unify hwpoisoned page handling and isolation of HugeTLB/LRU/non-LRU
movable page, also convert to use folios in do_migrate_range().

v2-resend:
- fix isolate_hugetlb() build error in patch1

v2:
- address comments from David(eg, fix HWPoison check/use a folio
  for pfn calculation firstly)
- fix lkp build errors for isolate_folio_to_list()
- drop unnecessary comments and don't grab one more ref for hugetlb 

Kefeng Wang (5):
  mm: memory_hotplug: remove head variable in do_migrate_range()
  mm: memory-failure: add unmap_posioned_folio()
  mm: memory_hotplug: check hwpoisoned page firstly in
    do_migrate_range()
  mm: migrate: add isolate_folio_to_list()
  mm: memory_hotplug: unify Huge/LRU/non-LRU movable folio isolation

 include/linux/migrate.h |  3 ++
 mm/internal.h           |  9 +++++
 mm/memory-failure.c     | 89 +++++++++++++++++------------------------
 mm/memory_hotplug.c     | 62 ++++++++++++++--------------
 mm/migrate.c            | 27 +++++++++++++
 5 files changed, 105 insertions(+), 85 deletions(-)

-- 
2.27.0