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From: Vasily Averin <vvs@virtuozzo.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
	Vladimir Davydov <vdavydov.dev@gmail.com>,
	Roman Gushchin <guro@fb.com>, Uladzislau Rezki <urezki@gmail.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Shakeel Butt <shakeelb@google.com>,
	Mel Gorman <mgorman@techsingularity.net>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	cgroups@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, kernel@openvz.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH memcg v3 3/3] memcg: prohibit unconditional exceeding the limit of dying tasks
Date: Thu, 28 Oct 2021 10:22:56 +0300	[thread overview]
Message-ID: <ea14200f-ad2c-6901-25da-54900fe2ce14@virtuozzo.com> (raw)
In-Reply-To: <20211027153608.9910f7db99d5ef574045370e@linux-foundation.org>

On 28.10.2021 01:36, Andrew Morton wrote:
> On Mon, 25 Oct 2021 11:36:41 +0200 Michal Hocko <mhocko@suse.com> wrote:
> 
>> My view on stable backport is similar to the previous patch. If we want
>> to have it there then let's wait for some time to see whether there are
>> any fallouts as this patch depends on the PF_OOM change.
> 
> It's strange that [1/3] doesn't have cc:stable, but [2/3] and [3/3] do
> not.  What is the thinking here?

My fault, I missed it.
All 3 patches should be backported,
I did it already to stables kernels since 4.4 and I'm ready to submit it in demand.

> I expect we'd be OK with merging these into 5.16-rc1.  This still gives
> another couple of months in -rc to shake out any problems.  But I
> suspect the -stable maintainers will merge and release the patches
> before they are released in 5.16.
> 
> In which case an alternative would be not to mark these patches
> cc:stable and to somehow remember to ask the -stable maintainers to
> merge them after 5.16 has been on the streets for a suitable period.
> 
> Greg, thoughts?

If you wish I can remind Greg in a month or even after 5.17 release.

Thank you,
	Vasily Averin


WARNING: multiple messages have this Message-ID (diff)
From: Vasily Averin <vvs-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org>
To: Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>
Cc: Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Vladimir Davydov
	<vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Roman Gushchin <guro-b10kYP2dOMg@public.gmane.org>,
	Uladzislau Rezki <urezki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>,
	Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Mel Gorman
	<mgorman-3eNAlZScCAx27rWaFMvyedHuzzzSOjJt@public.gmane.org>,
	Tetsuo Handa
	<penguin-kernel-1yMVhJb1mP/7nzcFbJAaVXf5DAMn2ifp@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kernel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org,
	Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH memcg v3 3/3] memcg: prohibit unconditional exceeding the limit of dying tasks
Date: Thu, 28 Oct 2021 10:22:56 +0300	[thread overview]
Message-ID: <ea14200f-ad2c-6901-25da-54900fe2ce14@virtuozzo.com> (raw)
In-Reply-To: <20211027153608.9910f7db99d5ef574045370e-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>

On 28.10.2021 01:36, Andrew Morton wrote:
> On Mon, 25 Oct 2021 11:36:41 +0200 Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org> wrote:
> 
>> My view on stable backport is similar to the previous patch. If we want
>> to have it there then let's wait for some time to see whether there are
>> any fallouts as this patch depends on the PF_OOM change.
> 
> It's strange that [1/3] doesn't have cc:stable, but [2/3] and [3/3] do
> not.  What is the thinking here?

My fault, I missed it.
All 3 patches should be backported,
I did it already to stables kernels since 4.4 and I'm ready to submit it in demand.

> I expect we'd be OK with merging these into 5.16-rc1.  This still gives
> another couple of months in -rc to shake out any problems.  But I
> suspect the -stable maintainers will merge and release the patches
> before they are released in 5.16.
> 
> In which case an alternative would be not to mark these patches
> cc:stable and to somehow remember to ask the -stable maintainers to
> merge them after 5.16 has been on the streets for a suitable period.
> 
> Greg, thoughts?

If you wish I can remind Greg in a month or even after 5.17 release.

Thank you,
	Vasily Averin


  reply	other threads:[~2021-10-28  7:23 UTC|newest]

Thread overview: 131+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-18  8:13 [PATCH memcg 0/1] false global OOM triggered by memcg-limited task Vasily Averin
2021-10-18  8:13 ` Vasily Averin
2021-10-18  9:04 ` Michal Hocko
2021-10-18  9:04   ` Michal Hocko
2021-10-18 10:05   ` Vasily Averin
2021-10-18 10:05     ` Vasily Averin
2021-10-18 10:12     ` Vasily Averin
2021-10-18 10:12       ` Vasily Averin
2021-10-18 11:53     ` Michal Hocko
2021-10-18 11:53       ` Michal Hocko
     [not found]       ` <27dc0c49-a0d6-875b-49c6-0ef5c0cc3ac8@virtuozzo.com>
2021-10-18 12:27         ` Michal Hocko
2021-10-18 12:27           ` Michal Hocko
2021-10-18 15:07           ` Shakeel Butt
2021-10-18 15:07             ` Shakeel Butt
2021-10-18 16:51             ` Michal Hocko
2021-10-18 16:51               ` Michal Hocko
2021-10-18 17:13               ` Shakeel Butt
2021-10-18 18:52             ` Vasily Averin
2021-10-18 18:52               ` Vasily Averin
2021-10-18 19:18               ` Vasily Averin
2021-10-18 19:18                 ` Vasily Averin
2021-10-19  5:34                 ` Shakeel Butt
2021-10-19  5:34                   ` Shakeel Butt
2021-10-19  5:33               ` Shakeel Butt
2021-10-19  5:33                 ` Shakeel Butt
2021-10-19  6:42                 ` Vasily Averin
2021-10-19  6:42                   ` Vasily Averin
2021-10-19  8:47                   ` Michal Hocko
2021-10-19  8:47                     ` Michal Hocko
2021-10-19  6:30       ` Vasily Averin
2021-10-19  6:30         ` Vasily Averin
2021-10-19  8:49         ` Michal Hocko
2021-10-19  8:49           ` Michal Hocko
2021-10-19 10:30           ` Vasily Averin
2021-10-19 10:30             ` Vasily Averin
2021-10-19 11:54             ` Michal Hocko
2021-10-19 11:54               ` Michal Hocko
2021-10-19 12:04               ` Michal Hocko
2021-10-19 12:04                 ` Michal Hocko
2021-10-19 13:26                 ` Vasily Averin
2021-10-19 13:26                   ` Vasily Averin
2021-10-19 14:13                   ` Michal Hocko
2021-10-19 14:13                     ` Michal Hocko
2021-10-19 14:19                     ` Michal Hocko
2021-10-19 14:19                       ` Michal Hocko
2021-10-19 19:09                     ` Vasily Averin
2021-10-19 19:09                       ` Vasily Averin
2021-10-20  8:07                       ` [PATCH memcg v4] memcg: prohibit unconditional exceeding the limit of dying tasks Vasily Averin
2021-10-20  8:07                         ` Vasily Averin
2021-10-20  8:43                         ` Michal Hocko
2021-10-20  8:43                           ` Michal Hocko
2021-10-20 12:11                           ` [PATCH memcg RFC 0/3] " Vasily Averin
2021-10-20 12:11                             ` Vasily Averin
     [not found]                           ` <cover.1634730787.git.vvs@virtuozzo.com>
2021-10-20 12:12                             ` [PATCH memcg 1/3] mm: do not firce global OOM from inside " Vasily Averin
2021-10-20 12:12                               ` Vasily Averin
2021-10-20 12:33                               ` Michal Hocko
2021-10-20 12:33                                 ` Michal Hocko
2021-10-20 13:52                                 ` Vasily Averin
2021-10-20 13:52                                   ` Vasily Averin
2021-10-20 12:13                             ` [PATCH memcg 2/3] memcg: remove charge forcinig for " Vasily Averin
2021-10-20 12:13                               ` Vasily Averin
2021-10-20 12:41                               ` Michal Hocko
2021-10-20 12:41                                 ` Michal Hocko
2021-10-20 14:21                                 ` Vasily Averin
2021-10-20 14:21                                   ` Vasily Averin
2021-10-20 14:57                                   ` Michal Hocko
2021-10-20 14:57                                     ` Michal Hocko
2021-10-20 15:20                                     ` Tetsuo Handa
2021-10-20 15:20                                       ` Tetsuo Handa
2021-10-21 10:03                                       ` Michal Hocko
2021-10-21 10:03                                         ` Michal Hocko
2021-10-20 12:14                             ` [PATCH memcg 3/3] memcg: handle memcg oom failures Vasily Averin
2021-10-20 12:14                               ` Vasily Averin
2021-10-20 13:02                               ` Michal Hocko
2021-10-20 15:46                                 ` Vasily Averin
2021-10-20 15:46                                   ` Vasily Averin
2021-10-21 11:49                                   ` Michal Hocko
2021-10-21 11:49                                     ` Michal Hocko
2021-10-21 15:05                                     ` Vasily Averin
2021-10-21 15:05                                       ` Vasily Averin
2021-10-21 16:47                                       ` Michal Hocko
2021-10-21 16:47                                         ` Michal Hocko
2021-10-22  8:10                                         ` [PATCH memcg v2 0/2] memcg: prohibit unconditional exceeding the limit of dying tasks Vasily Averin
2021-10-22  8:10                                           ` Vasily Averin
     [not found]                                         ` <cover.1634889066.git.vvs@virtuozzo.com>
2021-10-22  8:11                                           ` [PATCH memcg v2 1/2] mm, oom: do not trigger out_of_memory from the #PF Vasily Averin
2021-10-22  8:11                                             ` Vasily Averin
2021-10-22  8:55                                             ` Michal Hocko
2021-10-22  8:55                                               ` Michal Hocko
2021-10-22  8:11                                           ` [PATCH memcg v2 2/2] memcg: prohibit unconditional exceeding the limit of dying tasks Vasily Averin
2021-10-22  8:11                                             ` Vasily Averin
2021-10-22  9:10                                             ` Michal Hocko
2021-10-22  9:10                                               ` Michal Hocko
2021-10-23 13:18                                               ` [PATCH memcg v3 0/3] " Vasily Averin
2021-10-23 13:18                                                 ` Vasily Averin
     [not found]                                               ` <cover.1634994605.git.vvs@virtuozzo.com>
2021-10-23 13:19                                                 ` [PATCH memcg v3 1/3] mm, oom: pagefault_out_of_memory: don't force global OOM for " Vasily Averin
2021-10-23 13:19                                                   ` Vasily Averin
2021-10-25  9:27                                                   ` Michal Hocko
2021-10-25  9:27                                                     ` Michal Hocko
2021-10-23 13:20                                                 ` [PATCH memcg v3 2/3] mm, oom: do not trigger out_of_memory from the #PF Vasily Averin
2021-10-23 13:20                                                   ` Vasily Averin
2021-10-23 15:01                                                   ` Tetsuo Handa
2021-10-23 15:01                                                     ` Tetsuo Handa
2021-10-23 19:15                                                     ` Vasily Averin
2021-10-25  8:04                                                     ` Michal Hocko
2021-10-25  8:04                                                       ` Michal Hocko
2021-10-26 13:56                                                       ` Tetsuo Handa
2021-10-26 13:56                                                         ` Tetsuo Handa
2021-10-26 14:07                                                         ` Michal Hocko
2021-10-26 14:07                                                           ` Michal Hocko
2021-10-25  9:34                                                   ` Michal Hocko
2021-10-25  9:34                                                     ` Michal Hocko
2021-10-23 13:20                                                 ` [PATCH memcg v3 3/3] memcg: prohibit unconditional exceeding the limit of dying tasks Vasily Averin
2021-10-23 13:20                                                   ` Vasily Averin
2021-10-25  9:36                                                   ` Michal Hocko
2021-10-25  9:36                                                     ` Michal Hocko
2021-10-27 22:36                                                     ` Andrew Morton
2021-10-27 22:36                                                       ` Andrew Morton
2021-10-28  7:22                                                       ` Vasily Averin [this message]
2021-10-28  7:22                                                         ` Vasily Averin
2021-10-29  7:46                                                         ` Greg Kroah-Hartman
2021-10-29  7:46                                                           ` Greg Kroah-Hartman
2021-10-29  7:58                                                       ` Michal Hocko
2021-10-29  7:58                                                         ` Michal Hocko
2021-11-12 23:48                         ` [PATCH memcg v4] " kernel test robot
2021-11-26  4:32                         ` kernel test robot
2021-10-21  8:03   ` [PATCH memcg 0/1] false global OOM triggered by memcg-limited task Vasily Averin
2021-10-21  8:03     ` Vasily Averin
2021-10-21 11:49     ` Michal Hocko
2021-10-21 11:49       ` Michal Hocko
2021-10-21 13:24       ` Vasily Averin
2021-10-21 13:24         ` Vasily Averin

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