[PATCH v3 01/12] drm: Add dummy page per device or GEM object

[Andrey Grodzovsky]

Typo Correction bellow

On 1/7/21 11:26 AM, Andrey Grodzovsky wrote:
>>
>> Or is the idea to save the struct page * pointer? That feels a bit like
>> over-optimizing stuff. Better to have a simple implementation first and
>> then tune it if (and only if) any part of it becomes a problem for normal
>> usage.
>
>
> Exactly - the idea is to avoid adding extra pointer to drm_gem_object,
> Christian suggested to instead keep a linked list of dummy pages to be
> allocated on demand once we hit a vm_fault. I will then also prefault the entire
> VA range from vma->vm_end - vma->vm_start to vma->vm_end and map them
> to that single dummy page.


Obviously the range is from  vma->vm_start to vma->vm_end

Andrey


>
> Andrey 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20210107/e20d7f25/attachment.htm>