Re: [PATCH v19 22/30] drm/shmem-helper: Add common memory shrinker

[Thomas Zimmermann <tzimmermann@suse.de>]

Hi

Am 04.03.25 um 11:59 schrieb Dmitry Osipenko:
> On 3/4/25 13:29, Thomas Zimmermann wrote:
>> Hi
>>
>> Am 05.01.24 um 19:46 schrieb Dmitry Osipenko:
>>> Introduce common drm-shmem shrinker for DRM drivers.
>> What's the status of this patch?
> It was de-prioritized on my list a year ago as I had to move to a higher
> priority problems. Rebasing and re-testing these patches takes much
> time, it either has to be split up in a smaller parts or applied in one go.

The first 11 patches seem uncontroversial to me; maybe except for patch 
9. Could they be merged any time soon?

The next batch could then be patches up to #20, which seem to be 
reviewed as well.

>
> The current status is that I started to work on v20 rather long time ago
> and the patches need to be rebased and re-tested again. Heard that
> Panthor driver may want shmem shrinker more than others today.

I've been receiving reports about low performance of ast plus gem-shmem 
recently. I suspect that the vmap/vunmap overhead could be related and 
this series would likely lessen the problem.

Best regards
Thomas

>

-- 
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Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
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