Why is nouveau using a separate swap storage?

Thu Sep 17 11:03:06 UTC 2020

Am 17.09.20 um 12:51 schrieb Ben Skeggs:
> On Thu, 17 Sep 2020 at 20:06, Christian König
> <ckoenig.leichtzumerken at gmail.com> wrote:
>> Hi guys,
>>
>> just another TTM feature which is only used by nouveau.
>>
>> We have this bo->bo.persistent_swap_storage pointer which is only set by
>> nouveau to the GEM filp and used when a BO is swapped to a shmem file.
>>
>> As far as I can see this doesn't make any sense at all? What is the
>> background here.
> No specific reason I can remember, likely cargo-cult from very very
> early versions of TTM/GEM stuff.

Ok, going to send something out to drop this then.

Thanks,
Christian.

>
> Ben.
>
>> Thanks,
>> Christian.
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