Re: [PATCH 07/21] drm/i915: introduce vm set_pages/clear_pages

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Quoting Matthew Auld (2017-09-22 18:32:38)
> Move the setting/clearing of the vma->pages to a vm operation. Doing so
> neatens things up a little, but more importantly gives us a sane place
> to also set/clear the vma->pages_sizes, which we introduce later in
> preparation for supporting huge-pages.
> 
> v2: remove redundant vma->pages check
> 
> v3: GEM_BUG_ON(vma->pages) following i915_vma_remove
> 
> Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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