insert_page
ggtt->vm.insert_page(&ggtt->vm,
ggtt->vm.insert_page(&ggtt->vm,
ggtt->vm.insert_page(&ggtt->vm,
struct insert_page *arg = _arg;
struct insert_page arg = { vm, addr, offset, level };
ggtt->vm.insert_page = gen8_ggtt_insert_page;
ggtt->vm.insert_page = bxt_vtd_ggtt_insert_page__BKL;
ggtt->vm.insert_page = gen6_ggtt_insert_page;
ggtt->vm.insert_page = i915_ggtt_insert_page;
void (*insert_page)(struct i915_address_space *vm,
ggtt->vm.insert_page(&ggtt->vm, dma, slot, I915_CACHE_NONE, 0);