peak_allocated_bytes 2010 drivers/md/dm-bufio.c module_param_named(peak_allocated_bytes, dm_bufio_peak_allocated, ulong, S_IRUGO | S_IWUSR);
peak_allocated_bytes 2011 drivers/md/dm-bufio.c MODULE_PARM_DESC(peak_allocated_bytes, "Tracks the maximum allocated memory");