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
next prev parent 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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