shmem_pin_map
defaults = shmem_pin_map(ce->engine->default_state);
defaults = shmem_pin_map(ce->engine->default_state);
hw = shmem_pin_map(engine->default_state);
hw = shmem_pin_map(engine->default_state);
defaults = shmem_pin_map(ce->engine->default_state);
void *shmem_pin_map(struct file *file);
map = shmem_pin_map(file);
vaddr = shmem_pin_map(engine->default_state);
EXPORT_SYMBOL_NS_GPL(shmem_pin_map, "I915_GVT");