MLX5_UMR_ALIGN
add_size = max_t(int, MLX5_UMR_ALIGN - ARCH_KMALLOC_MINALIGN, 0);
if (is_power_of_2(MLX5_UMR_ALIGN) && add_size) {
int end = max_t(int, MLX5_UMR_ALIGN, roundup_pow_of_two(size));
mr->descs = PTR_ALIGN(mr->descs_alloc, MLX5_UMR_ALIGN);