linux-kernel - [PATCH stable-4.9 0/2] mm: follow up oom fixes for 32b

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Message-Id: <20170228151108.20853-1-mhocko@kernel.org>
Date:   Tue, 28 Feb 2017 16:11:06 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Stable tree <stable@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Hillf Danton <hillf.zj@...baba-inc.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...e.com>,
        Minchan Kim <minchan@...nel.org>,
        Trevor Cordes <trevor@...nopolis.ca>
Subject: [PATCH stable-4.9 0/2] mm: follow up oom fixes for 32b

Hi,
later in the 4.10 release cycle it turned out that b4536f0c829c ("mm,
memcg: fix the active list aging for lowmem requests when memcg is
enabled") was not sufficient to fully close the regression introduced by
f8d1a31163fc ("mm: consider whether to decivate based on eligible zones
inactive ratio") [1]. mmotm tree behaved properly and it turned out the
Linus tree was missing 71ab6cfe88dc ("mm, vmscan: consider eligible
zones in get_scan_count") merged in 4.11 merge window. The patch heavily
depends on 4a9494a3d827 ("mm, vmscan: cleanup lru size claculations")
which has been backported as well (patch 1).

Please add these two to 4.9+ trees (they should apply to 4.10 as they
are).  4.8 tree will need them as well but I do not see this stable tree
being maintained.

[1] http://lkml.kernel.org/r/20170201032928.5d58a7c5@pog.tecnopolis.ca