I915_MADV_DONTNEED
case I915_MADV_DONTNEED:
if (obj->mm.madv == I915_MADV_DONTNEED)
case I915_MADV_DONTNEED:
if (obj->mm.madv == I915_MADV_DONTNEED &&
obj->mm.madv = I915_MADV_DONTNEED;
obj->mm.madv = I915_MADV_DONTNEED;
return swap_available() || obj->mm.madv == I915_MADV_DONTNEED;
obj->mm.madv != I915_MADV_DONTNEED)