linux-kernel - [PATCH 0/3] follow up nodereclaim for 32b fix

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Date:   Tue, 17 Jan 2017 11:36:59 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Johannes Weiner <hannes@...xchg.org>, Mel Gorman <mgorman@...e.de>,
        Minchan Kim <minchan@...nel.org>,
        Hillf Danton <hillf.zj@...baba-inc.com>, <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/3] follow up nodereclaim for 32b fix

Hi,
I have previously posted this as an RFC [1] but there didn't seem to be
any objections other than some requests to reorganize the changes in
a slightly different way so I am reposting the series and asking for
inclusion.

This is a follow up on top of [2]. The patch 1 cleans up the code a bit.
I haven't seen any real issues or bug reports but conceptualy ignoring
the maximum eligible zone in get_scan_count is wrong by definition. This
is what patch 2 does.  Patch 3 removes inactive_reclaimable_pages
which was a kind of hack around for the problem which should have been
addressed at get_scan_count.

There is one more place which needs a special handling which is not
a part of this series. too_many_isolated can get confused as well. I
already have some preliminary work but it still needs some testing so I
will post it separatelly.

Michal Hocko (3):
      mm, vmscan: cleanup lru size claculations
      mm, vmscan: consider eligible zones in get_scan_count
      Revert "mm: bail out in shrink_inactive_list()"

 include/linux/mmzone.h |   2 +-
 mm/vmscan.c            | 116 +++++++++++++++++++------------------------------
 mm/workingset.c        |   2 +-
 3 files changed, 46 insertions(+), 74 deletions(-)

[1] http://lkml.kernel.org/r/20170110125552.4170-1-mhocko@kernel.org
[2] http://lkml.kernel.org/r/20170104100825.3729-1-mhocko@kernel.org