[PATCH v4 0/5] A few fixup patches for mm

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Hi everyone,
This series contains a few patches to avoid mapping random data if swap
read fails and fix lost swap bits in unuse_pte. Also we free hwpoison and
swapin error entry in madvise_free_pte_range and so on. More details can
be found in the respective changelogs. Thanks!

---
v4:
  collect Reviewed-by per Naoya and David. Thanks for review!
  fix infinite loop when swap in shmem error. Thanks Naoya for reporting
the issue!
v3:
  collect Acked-by tag per David
  remove unneeded pte wrprotect per David
v2:
  make the terminology consistent and collect Acked-by tag per David
  fix lost swap bits in unuse_pte per Peter
  free hwpoison and swapin error entry per Alistair
  Many thanks Alistair, David and Peter for review!
---
Miaohe Lin (5):
  mm/swapfile: unuse_pte can map random data if swap read fails
  mm/swapfile: Fix lost swap bits in unuse_pte()
  mm/madvise: free hwpoison and swapin error entry in
    madvise_free_pte_range
  mm/shmem: fix infinite loop when swap in shmem error at swapoff time
  mm: filter out swapin error entry in shmem mapping

 include/linux/swap.h    |  7 ++++++-
 include/linux/swapops.h | 10 ++++++++++
 mm/madvise.c            | 18 ++++++++++++------
 mm/memory.c             |  5 ++++-
 mm/shmem.c              | 39 +++++++++++++++++++++++++++++++++++++++
 mm/swap_state.c         |  3 +++
 mm/swapfile.c           | 21 ++++++++++++++++++---
 7 files changed, 92 insertions(+), 11 deletions(-)

-- 
2.23.0





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