From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
To: "Christian König" <ckoenig.leichtzumerken@gmail.com>,
"Daniel Vetter" <daniel@ffwll.ch>
Cc: "David Airlie" <airlied@linux.ie>,
dri-devel@lists.freedesktop.org,
"Gurchetan Singh" <gurchetansingh@chromium.org>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Dmitry Osipenko" <digetx@gmail.com>,
kernel@collabora.com, "Sumit Semwal" <sumit.semwal@linaro.org>,
"Marek Szyprowski" <m.szyprowski@samsung.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Steven Price" <steven.price@arm.com>,
"Gustavo Padovan" <gustavo.padovan@collabora.com>,
"Alyssa Rosenzweig" <alyssa.rosenzweig@collabora.com>,
linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
linux-tegra@vger.kernel.org,
virtualization@lists.linux-foundation.org,
"Tvrtko Ursulin" <tvrtko.ursulin@linux.intel.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
amd-gfx@lists.freedesktop.org,
"Tomeu Vizoso" <tomeu.vizoso@collabora.com>,
"Gert Wollny" <gert.wollny@collabora.com>,
"Pan, Xinhui" <Xinhui.Pan@amd.com>,
"Emil Velikov" <emil.l.velikov@gmail.com>,
linux-kernel@vger.kernel.org, "Tomasz Figa" <tfiga@chromium.org>,
"Qiang Yu" <yuq825@gmail.com>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH v6 17/22] drm/shmem-helper: Add generic memory shrinker
Date: Tue, 7 Jun 2022 18:33:55 +0300 [thread overview]
Message-ID: <382d50a2-8e47-5e0f-726b-f077be5b8bc6@collabora.com> (raw)
In-Reply-To: <2aedbd68-cb4b-157c-1ddb-dbdb9348d2fe@gmail.com>
On 6/6/22 13:57, Christian König wrote:
> Am 05.06.22 um 18:47 schrieb Daniel Vetter:
>> On Fri, 27 May 2022 at 01:55, Dmitry Osipenko
>> <dmitry.osipenko@collabora.com> wrote:
>>> Introduce a common DRM SHMEM shrinker framework that allows to reduce
>>> code duplication among DRM drivers by replacing theirs custom shrinker
>>> implementations with the generic shrinker.
>>>
>>> In order to start using DRM SHMEM shrinker drivers should:
>>>
>>> 1. Implement new evict() shmem object callback.
>>> 2. Register shrinker using drm_gem_shmem_shrinker_register(drm_device).
>>> 3. Use drm_gem_shmem_set_purgeable(shmem) and alike API functions to
>>> activate shrinking of shmem GEMs.
>>>
>>> This patch is based on a ideas borrowed from Rob's Clark MSM shrinker,
>>> Thomas' Zimmermann variant of SHMEM shrinker and Intel's i915 shrinker.
>>>
>>> Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
>>> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
>> So I guess I get a price for being blind since forever, because this
>> thing existed since at least 2013. I just stumbled over
>> llist_lru.[hc], a purpose built list helper for shrinkers. I think we
>> should try to adopt that so that our gpu shrinkers look more like
>> shrinkers for everything else.
>
> What the heck are you talking about?
>
> I can't find any llist_lru.[hc] in the linux kernel sources.
I think Daniel meant this:
https://elixir.bootlin.com/linux/v5.19-rc1/source/include/linux/list_lru.h
https://elixir.bootlin.com/linux/v5.19-rc1/source/mm/list_lru.c
--
Best regards,
Dmitry
next prev parent reply other threads:[~2022-06-07 15:43 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-26 23:50 [PATCH v6 00/22] Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 01/22] drm/gem: Properly annotate WW context on drm_gem_lock_reservations() error Dmitry Osipenko
2022-06-28 20:12 ` Thomas Hellström (Intel)
2022-06-29 8:23 ` Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 02/22] drm/gem: Move mapping of imported dma-bufs to drm_gem_mmap_obj() Dmitry Osipenko
2022-06-29 6:40 ` Thomas Hellström (Intel)
2022-06-29 8:22 ` Dmitry Osipenko
2022-06-29 8:43 ` Thomas Hellström (Intel)
2022-06-29 23:06 ` Dmitry Osipenko
2022-07-04 12:33 ` [Linaro-mm-sig] " Christian König
2022-07-04 22:44 ` Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 03/22] drm/panfrost: Put mapping instead of shmem obj on panfrost_mmu_map_fault_addr() error Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 04/22] drm/panfrost: Fix shrinker list corruption by madvise IOCTL Dmitry Osipenko
2022-05-27 15:56 ` Alyssa Rosenzweig
2022-05-30 9:41 ` Steven Price
2022-05-26 23:50 ` [PATCH v6 05/22] drm/virtio: Correct drm_gem_shmem_get_sg_table() error handling Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 06/22] drm/virtio: Check whether transferred 2D BO is shmem Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 07/22] drm/virtio: Unlock reservations on virtio_gpu_object_shmem_init() error Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 08/22] drm/virtio: Unlock reservations on dma_resv_reserve_fences() error Dmitry Osipenko
2022-06-29 6:43 ` Thomas Hellström (Intel)
2022-05-26 23:50 ` [PATCH v6 09/22] drm/virtio: Use appropriate atomic state in virtio_gpu_plane_cleanup_fb() Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 10/22] drm/shmem-helper: Add missing vunmap on error Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 11/22] drm/shmem-helper: Correct doc-comment of drm_gem_shmem_get_sg_table() Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 12/22] drm/virtio: Simplify error handling of virtio_gpu_object_create() Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 13/22] drm/virtio: Improve DMA API usage for shmem BOs Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 14/22] dma-buf: Introduce new locking convention Dmitry Osipenko
2022-05-30 6:50 ` Christian König
2022-05-30 13:26 ` Dmitry Osipenko
2022-05-30 13:41 ` Christian König
2022-05-30 13:57 ` Dmitry Osipenko
2022-06-28 21:26 ` Thomas Hellström (Intel)
2022-07-01 10:43 ` Dmitry Osipenko
2022-07-04 22:38 ` Dmitry Osipenko
2022-07-05 10:52 ` Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 15/22] drm/shmem-helper: Don't use vmap_use_count for dma-bufs Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 16/22] drm/shmem-helper: Use reservation lock Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 17/22] drm/shmem-helper: Add generic memory shrinker Dmitry Osipenko
2022-06-05 16:47 ` Daniel Vetter
2022-06-05 18:32 ` Rob Clark
2022-06-05 18:45 ` Daniel Vetter
2022-06-06 10:57 ` Christian König
2022-06-07 15:33 ` Dmitry Osipenko [this message]
2022-06-19 17:53 ` Rob Clark
2022-06-20 14:08 ` Dmitry Osipenko
2022-06-20 15:18 ` Rob Clark
2022-06-24 20:23 ` Daniel Vetter
2022-06-24 20:21 ` Daniel Vetter
2022-06-20 15:37 ` Rob Clark
2022-06-21 16:39 ` Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 18/22] drm/gem: Add drm_gem_pin_unlocked() Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 19/22] drm/virtio: Support memory shrinking Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 20/22] drm/virtio: Use dev_is_pci() Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 21/22] drm/virtio: Return proper error codes instead of -1 Dmitry Osipenko
2022-05-26 23:50 ` [PATCH v6 22/22] drm/panfrost: Switch to generic memory shrinker Dmitry Osipenko
2022-05-27 11:48 ` Alyssa Rosenzweig
2022-06-10 14:40 ` [PATCH v6 00/22] Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers Dmitry Osipenko
2022-06-28 12:31 ` Robin Murphy
2022-06-28 12:50 ` Dmitry Osipenko
2022-06-28 16:48 ` Rob Clark
2022-06-28 23:11 ` Dmitry Osipenko
2022-06-28 12:51 ` Dmitry Osipenko
2022-06-28 13:11 ` Dmitry Osipenko
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