[PATCH v4 0/7] f/madivse(DONTNEED) support

[Minchan Kim <minchan.kim@gmail.com>]

Recently there is a report about working set page eviction due to rsync
workload. application programmers want to use fadvise but it's not easy.
You could see detailed description on [2/7].
 - [1/7] is to remove checkpatch's reporting in mm/swap.c
 - [2/7] is to move invalidated page which is dirty/writeback on active list
   into inactive list's head.
 - [3/7] is to move memcg reclaimable page on inactive's tail.
 - [4/7] is for moving invalidated page into inactive list's tail when the
   page's writeout is completed for reclaim asap.
 - [5/7] is to add profing information for evaluation.
 - [6/7] is to remove zap_detail NULL dependency to some functions. It is for
	next patch.
 - [7/7] is to not calling mark_page_accessed in case of madvise(DONTNEED)

This patches are based on mmotm-12-02
Before applying the series, Please, remove below patches.
mm-deactivate-invalidated-pages.patch
mm-deactivate-invalidated-pages-fix.patch

Minchan Kim (7):
  Fix checkpatch's report in swap.c
  deactivate invalidated pages
  move memcg reclaimable page into tail of inactive list
  Reclaim invalidated page ASAP
  add profile information for invalidated page reclaim
  Remove zap_details NULL dependency
  Prevent activation of page in madvise_dontneed

 include/linux/memcontrol.h |    6 ++
 include/linux/mm.h         |   10 ++++
 include/linux/swap.h       |    1 +
 include/linux/vmstat.h     |    4 +-
 mm/madvise.c               |   13 +++--
 mm/memcontrol.c            |   27 +++++++++
 mm/memory.c                |   19 ++++---
 mm/mmap.c                  |    6 ++-
 mm/page-writeback.c        |   12 ++++-
 mm/swap.c                  |  127 +++++++++++++++++++++++++++++++++++++++++---
 mm/truncate.c              |   17 +++++--
 mm/vmstat.c                |    3 +
 12 files changed, 216 insertions(+), 29 deletions(-)