read_procfs_val
cache_line_size = read_procfs_val(SMP_CACHE_BYTES_PATH);
max_frags = read_procfs_val(MAX_SKB_FRAGS_PATH);
cache_line_size = read_procfs_val(SMP_CACHE_BYTES_PATH);
max_frags = read_procfs_val(MAX_SKB_FRAGS_PATH);