On Wed, Nov 30, 2016 at 08:51:26PM +, Chris Wilson wrote:
> commit 202b52b7fbf7 ("drm: Track drm_mm nodes with an interval tree")
> introduced a requirement that the special drm_mm.head_node was
> initialised and marked as not being allocated. It is a very special node
> that has no side but ha
commit 202b52b7fbf7 ("drm: Track drm_mm nodes with an interval tree")
introduced a requirement that the special drm_mm.head_node was
initialised and marked as not being allocated. It is a very special node
that has no side but has a hole that represents the drm_mm address
space, and holds the list