ttm_get_kernel_zone_memory_size  690 drivers/gpu/drm/ttm/ttm_memory.c EXPORT_SYMBOL(ttm_get_kernel_zone_memory_size);
ttm_get_kernel_zone_memory_size   95 include/drm/ttm/ttm_memory.h extern uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob);