In order to decrease fragmentation, and decrease the risk of using
valuable mappable space for the page tables, we use the top down
allocator for the page tables.
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 37832e4..64c2e70 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -861,7 +861,7 @@ alloc:
&ppgtt->node, GEN6_PD_SIZE,
GEN6_PD_ALIGN, 0,
0, dev_priv->gtt.base.total,
- DRM_MM_BOTTOMUP);
+ DRM_MM_TOPDOWN);
if (ret == -ENOSPC && !retried) {
ret = i915_gem_evict_something(dev, &dev_priv->gtt.base,
GEN6_PD_SIZE, GEN6_PD_ALIGN,
--
1.8.4.2
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