[Intel-gfx] [PATCH] drm: Preallocate mm node for GTT mmap offset

[Daniel Vetter]

On Thu, Dec 6, 2012 at 3:54 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> As the shrinker may be invoked for the allocation, and it may reap
> neighbouring objects in the offset range mm, we need to be careful in
> the order in which we allocate the node, search for free space and then
> insert the node into the mmap offset range manager.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Dave Airlie <airlied at redhat.com>
> Cc: dri-devel at lists.freedesktop.org

I think leaking allocation/shrinker details from drm/i915 like that
into common (helper) code is a no-go. Which means we need to open-code
create_mmap_offset in our code and add a big comment ...
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch