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From: roger <honghe@amd.com>
To: Michal Hocko <mhocko@kernel.org>, "He, Roger" <Hongbo.He@amd.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
	"Koenig, Christian" <Christian.Koenig@amd.com>
Subject: Re: [RFC] Per file OOM badness
Date: Fri, 19 Jan 2018 18:02:12 +0800	[thread overview]
Message-ID: <59079b24-ce47-1ddd-6b22-7b5f97408fad@amd.com> (raw)
In-Reply-To: <20180119082517.GM6584@dhcp22.suse.cz>


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On 2018年01月19日 16:25, Michal Hocko wrote:
> [removed the broken quoting - please try to use an email client which
> doesn't mess up the qouted text]
>
> On Fri 19-01-18 06:01:26, He, Roger wrote:
> [...]
>> I think you are misunderstanding here.
>> Actually for now, the memory in TTM Pools already has mm_shrink which is implemented in ttm_pool_mm_shrink_init.
>> And here the memory we want to make it contribute to OOM badness is not in TTM Pools.
>> Because when TTM buffer allocation success, the memory already is removed from TTM Pools.
>
>     I have no idea what TTM buffers are. But this smells like something
>     rather specific to the particular subsytem. And my main objection here
>     is that struct file is not a proper vehicle to carry such an
>     information. So whatever the TTM subsystem does it should contribute to
>     generic counters rather than abuse fd because it happens to use it to
>     communicate with userspace.
>
    got it. thanks.
>


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  reply	other threads:[~2018-01-19 10:02 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-18 16:47 [RFC] Per file OOM badness Andrey Grodzovsky
2018-01-18 16:47 ` [PATCH 1/4] fs: add OOM badness callback in file_operatrations struct Andrey Grodzovsky
2018-01-18 16:47 ` [PATCH 2/4] oom: take per file badness into account Andrey Grodzovsky
     [not found] ` <1516294072-17841-1-git-send-email-andrey.grodzovsky-5C7GfCeVMHo@public.gmane.org>
2018-01-18 16:47   ` [PATCH 3/4] drm/gem: adjust per file OOM badness on handling buffers Andrey Grodzovsky
2018-01-19  6:01     ` Chunming Zhou
2018-01-18 16:47   ` [PATCH 4/4] drm/amdgpu: Use drm_oom_badness for amdgpu Andrey Grodzovsky
2018-01-30  9:24     ` Daniel Vetter
     [not found]       ` <20180130092413.GD25930-dv86pmgwkMBes7Z6vYuT8azUEOm+Xw19@public.gmane.org>
2018-01-30 12:42         ` Andrey Grodzovsky
2018-01-18 17:00 ` [RFC] Per file OOM badness Michal Hocko
2018-01-18 17:13   ` Michal Hocko
2018-01-18 20:01     ` Eric Anholt
2018-01-19  8:20       ` Michal Hocko
     [not found]         ` <20180119082046.GL6584-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2018-01-19  8:39           ` Christian König
2018-01-19  9:32             ` Michel Dänzer
2018-01-19  9:58               ` Christian König
     [not found]                 ` <11153f4f-8b9a-5780-6087-bc1e85459584-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-19 10:02                   ` Michel Dänzer
2018-01-19 15:07                     ` Michel Dänzer
2018-01-21  6:50                       ` Eric Anholt
2018-01-19 10:40             ` Michal Hocko
2018-01-19 11:37               ` Christian König
2018-01-19 12:13                 ` Michal Hocko
2018-01-19 12:20                   ` Michal Hocko
2018-01-19 16:54                     ` Christian König
2018-01-23 11:39                       ` Michal Hocko
2018-01-19 16:48                 ` Michel Dänzer
2018-01-19  8:35       ` Christian König
2018-01-19  6:01     ` He, Roger
2018-01-19  8:25       ` Michal Hocko
2018-01-19 10:02         ` roger [this message]
2018-01-23 15:27   ` Roman Gushchin
2018-01-23 15:36     ` Michal Hocko
     [not found]       ` <20180123153631.GR1526-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2018-01-23 16:39         ` Michel Dänzer
2018-01-24  9:28           ` Michal Hocko
2018-01-24 10:27             ` Michel Dänzer
2018-01-24 11:01               ` Michal Hocko
2018-01-24 11:23                 ` Michel Dänzer
     [not found]                   ` <36b49523-792d-45f9-8617-32b6d9d77418-otUistvHUpPR7s880joybQ@public.gmane.org>
2018-01-24 11:50                     ` Michal Hocko
2018-01-24 12:11                       ` Christian König
2018-01-30  9:31                         ` Daniel Vetter
     [not found]                           ` <20180130093145.GE25930-dv86pmgwkMBes7Z6vYuT8azUEOm+Xw19@public.gmane.org>
2018-01-30  9:43                             ` Michel Dänzer
2018-01-30 10:40                               ` Christian König
2018-01-30 11:02                                 ` Michel Dänzer
2018-01-30 11:28                                   ` Christian König
2018-01-30 11:34                                     ` Michel Dänzer
2018-01-30 11:36                                       ` Nicolai Hähnle
2018-01-30 11:42                                         ` Michel Dänzer
2018-01-30 11:56                                           ` Christian König
2018-01-30 15:52                                             ` Michel Dänzer
2018-01-30 10:42                               ` Daniel Vetter
2018-01-30 10:48                                 ` Michel Dänzer
2018-01-30 11:35                                   ` Nicolai Hähnle
     [not found]                       ` <20180124115059.GC28465-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2018-01-24 14:31                         ` Michel Dänzer
2018-01-30  9:29                       ` Michel Dänzer
2018-01-30 10:28                         ` Michal Hocko
     [not found]                           ` <20180130102855.GY21609-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2018-03-26 14:36                             ` Lucas Stach
     [not found]                               ` <1522074988.1196.1.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2018-04-04  9:09                                 ` Michel Dänzer
2018-04-04  9:36                                   ` Lucas Stach
2018-04-04  9:46                                     ` Michel Dänzer
2018-01-19  5:39 ` He, Roger
2018-01-19  8:17   ` Christian König
2018-01-22 23:23 ` Andrew Morton
     [not found]   ` <20180122152315.749d88f3c91ffce4d70ac450-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2018-01-23  1:59     ` Andrey Grodzovsky

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