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From: Dexuan Cui <decui@microsoft.com>
To: Roman Gushchin <guro@fb.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"kernel-team@fb.com" <kernel-team@fb.com>,
	Shakeel Butt <shakeelb@google.com>,
	Michal Hocko <mhocko@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>,
	Rik van Riel <riel@surriel.com>,
	Konstantin Khlebnikov <koct9i@gmail.com>,
	Matthew Wilcox <willy@infradead.org>
Cc: "Stable@vger.kernel.org" <Stable@vger.kernel.org>
Subject: Will the recent memory leak fixes be backported to longterm kernels?
Date: Fri, 2 Nov 2018 00:16:02 +0000	[thread overview]
Message-ID: <PU1P153MB0169CB6382E0F047579D111DBFCF0@PU1P153MB0169.APCP153.PROD.OUTLOOK.COM> (raw)

Hi all,
When debugging a memory leak issue (https://github.com/coreos/bugs/issues/2516)
with v4.14.11-coreos, we noticed the same issue may have been fixed recently by
Roman in the latest mainline (i.e. Linus's master branch) according to comment #7 of 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1792349, which lists these
patches (I'm not sure if the 5-patch list is complete):

010cb21d4ede math64: prevent double calculation of DIV64_U64_ROUND_UP() arguments
f77d7a05670d mm: don't miss the last page because of round-off error
d18bf0af683e mm: drain memcg stocks on css offlining
71cd51b2e1ca mm: rework memcg kernel stack accounting
f3a2fccbce15 mm: slowly shrink slabs with a relatively small number of objects

Obviously at least some of the fixes are also needed in the longterm kernels like v4.14.y,
but none of the 5 patches has the "Cc: stable@vger.kernel.org" tag? I'm wondering if
these patches will be backported to the longterm kernels. BTW, the patches are not
in v4.19, but I suppose they will be in v4.19.1-rc1?

Thanks,
-- Dexuan


             reply	other threads:[~2018-11-02  0:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-02  0:16 Dexuan Cui [this message]
2018-11-02  0:45 ` Will the recent memory leak fixes be backported to longterm kernels? Sasha Levin
2018-11-02  0:58 ` Roman Gushchin
2018-11-02  2:45   ` Dexuan Cui
2018-11-02  3:16     ` Roman Gushchin
2018-11-02  8:03     ` Michal Hocko
2018-11-02 15:48       ` Roman Gushchin
2018-11-02 16:13         ` Michal Hocko
2018-11-02 16:22           ` Roman Gushchin
2018-11-02 16:51             ` Michal Hocko
2018-11-02 17:25               ` Roman Gushchin
2018-11-02 17:48                 ` Michal Hocko
2018-11-02 19:38                   ` Roman Gushchin
2018-11-05  9:21                     ` Michal Hocko
2018-12-28 10:50                       ` Greg KH
2019-01-30  0:23                         ` Sasha Levin
2019-01-30  5:58                           ` Roman Gushchin
2018-11-02 16:01     ` Sasha Levin
2018-11-04  9:16       ` Mike Rapoport

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