[PATCH v1 00/10] make try_to_unmap simple

[Minchan Kim <minchan@kernel.org>]

Currently, try_to_unmap returns various return value(SWAP_SUCCESS,
SWAP_FAIL, SWAP_AGAIN, SWAP_DIRTY and SWAP_MLOCK). When I look into
that, it's unncessary complicated so this patch aims for cleaning
it up. Change ttu to boolean function so we can remove SWAP_AGAIN,
SWAP_DIRTY, SWAP_MLOCK.

* from RFC
- http://lkml.kernel.org/r/1488436765-32350-1-git-send-email-minchan@kernel.org
  * Remove RFC tag
  * add acked-by to some patches
  * some of minor fixes
  * based on mmotm-2017-03-09-16-19.

Minchan Kim (10):
  mm: remove unncessary ret in page_referenced
  mm: remove SWAP_DIRTY in ttu
  mm: remove SWAP_MLOCK check for SWAP_SUCCESS in ttu
  mm: make the try_to_munlock void function
  mm: remove SWAP_MLOCK in ttu
  mm: remove SWAP_AGAIN in ttu
  mm: make ttu's return boolean
  mm: make rmap_walk void function
  mm: make rmap_one boolean function
  mm: remove SWAP_[SUCCESS|AGAIN|FAIL]

 include/linux/ksm.h  |   5 ++-
 include/linux/rmap.h |  21 ++++-------
 mm/huge_memory.c     |   6 ++--
 mm/ksm.c             |  16 ++++-----
 mm/memory-failure.c  |  26 +++++++-------
 mm/migrate.c         |   4 +--
 mm/mlock.c           |   6 ++--
 mm/page_idle.c       |   4 +--
 mm/rmap.c            | 100 ++++++++++++++++++++-------------------------------
 mm/vmscan.c          |  32 +++++------------
 10 files changed, 82 insertions(+), 138 deletions(-)

-- 
2.7.4

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