u64 *start,
                                  u64 *end)
 {
-       if (node->allocated && node->color != color)
+       if (i915_node_color_differs(node, color))
                *start += I915_GTT_PAGE_SIZE;
 
        /* Also leave a space between the unallocated reserved node after the
 
                vma->flags &= ~I915_VMA_CAN_FENCE;
 }
 
-static bool color_differs(struct drm_mm_node *node, unsigned long color)
-{
-       return node->allocated && node->color != color;
-}
-
 bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long cache_level)
 {
        struct drm_mm_node *node = &vma->node;
        GEM_BUG_ON(list_empty(&node->node_list));
 
        other = list_prev_entry(node, node_list);
-       if (color_differs(other, cache_level) && !drm_mm_hole_follows(other))
+       if (i915_node_color_differs(other, cache_level) &&
+           !drm_mm_hole_follows(other))
                return false;
 
        other = list_next_entry(node, node_list);
-       if (color_differs(other, cache_level) && !drm_mm_hole_follows(node))
+       if (i915_node_color_differs(other, cache_level) &&
+           !drm_mm_hole_follows(node))
                return false;
 
        return true;
 
        return vma->flags & where;
 }
 
+static inline bool i915_node_color_differs(const struct drm_mm_node *node,
+                                          unsigned long color)
+{
+       return node->allocated && node->color != color;
+}
+
 /**
  * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture
  * @vma: VMA to iomap