From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@linux.ie>,
Gerd Hoffmann <kraxel@redhat.com>,
Gurchetan Singh <gurchetansingh@chromium.org>,
Chia-I Wu <olvaffe@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
Daniel Almeida <daniel.almeida@collabora.com>,
Gert Wollny <gert.wollny@collabora.com>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Gustavo Padovan <gustavo.padovan@collabora.com>,
dri-devel@lists.freedesktop.org,
Dmitry Osipenko <digetx@gmail.com>
Subject: Re: [PATCH v1 0/5] Add memory shrinker to VirtIO-GPU DRM driver
Date: Wed, 9 Mar 2022 14:55:21 +0300 [thread overview]
Message-ID: <caa9a2ea-d1b4-fa96-0e90-37a89aa0c000@collabora.com> (raw)
In-Reply-To: <4ce1e172-799c-cba3-0a72-4a6fdf2c6d2f@suse.de>
Hello,
On 3/9/22 11:59, Thomas Zimmermann wrote:
> Hi
>
> Am 08.03.22 um 14:17 schrieb Dmitry Osipenko:
>> Hello,
>>
>> This patchset introduces memory shrinker for the VirtIO-GPU DRM driver.
>> During OOM, the shrinker will release BOs that are marked as "not needed"
>> by userspace using the new madvise IOCTL. The userspace in this case is
>> the Mesa VirGL driver, it will mark the cached BOs as "not needed",
>> allowing kernel driver to release memory of the cached shmem BOs on
>> lowmem
>> situations, preventing OOM kills.
>
> Virtio-gpu is build on top of GEM shmem helpers. I have a prototype
> patchset that adds a shrinker to these helpers. If you want to go
> further, you could implement something like that instead. Panfrost and
> lima also have their own shrinker and could certainly be converted to
> the gem-shmem shrinker.
I had a thought that it could be possible to unify shrinkers into a
common DRM framework. Could you please give me a link to yours prototype
patchset?
next prev parent reply other threads:[~2022-03-09 11:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-08 13:17 Dmitry Osipenko
2022-03-08 13:17 ` [PATCH v1 1/5] drm/virtio: Correct drm_gem_shmem_get_sg_table() error handling Dmitry Osipenko
2022-03-08 13:17 ` [PATCH v1 2/5] drm/virtio: Check whether transferred 2D BO is shmem Dmitry Osipenko
2022-03-08 13:17 ` [PATCH v1 3/5] drm/virtio: Unlock GEM reservations in error code path Dmitry Osipenko
2022-03-08 13:17 ` [PATCH v1 4/5] drm/virtio: Improve DMA API usage for shmem BOs Dmitry Osipenko
2022-03-08 13:17 ` [PATCH v1 5/5] drm/virtio: Add memory shrinker Dmitry Osipenko
2022-03-08 16:04 ` Dmitry Osipenko
2022-03-09 1:12 ` Rob Clark
2022-03-09 11:55 ` Dmitry Osipenko
2022-03-08 16:29 ` [PATCH v1 0/5] Add memory shrinker to VirtIO-GPU DRM driver Rob Clark
2022-03-08 19:28 ` Dmitry Osipenko
2022-03-08 22:24 ` Rob Clark
2022-03-08 23:36 ` Dmitry Osipenko
2022-03-09 0:56 ` Rob Clark
2022-03-09 20:06 ` Dmitry Osipenko
2022-03-09 21:51 ` Rob Clark
2022-03-09 22:43 ` Dmitry Osipenko
2022-03-14 23:04 ` Dmitry Osipenko
2022-03-09 8:59 ` Thomas Zimmermann
2022-03-09 11:55 ` Dmitry Osipenko [this message]
2022-03-09 19:28 ` Thomas Zimmermann
2022-03-09 22:25 ` Dmitry Osipenko
2022-03-10 19:02 ` Thomas Zimmermann
2022-03-10 21:32 ` Dmitry Osipenko
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