[Intel-gfx] (no subject)

[Chris Wilson]

This is just an update on the shrinker patch that I've been running now
for several days on a swapless 512 MiB i915. The patch itself is rather
busy and could easily be broken down into two or three simpler patches
to address a couple of issues in relation to evicting buffers under
memory pressure. It includes the suggestions made by Shoahua, and is a
superset of the simple clean-ioctl and the shrinker code.

Please review.
-ickle