On Wed, Jun 14, 2023 at 01:46:34PM +0200, Hannes Reinecke wrote: > @@ -310,6 +312,10 @@ static int max_part = 1; > module_param(max_part, int, 0444); > MODULE_PARM_DESC(max_part, "Num Minors to reserve between devices"); > > +static unsigned int rd_blksize = PAGE_SIZE; > +module_param(rd_blksize, uint, 0444); > +MODULE_PARM_DESC(rd_blksize, "Blocksize of each RAM disk in bytes."); This needs CONFIG_BLK_DEV_RAM_BLOCK_SIZE to set the default size for those of us who don't use modular kernels.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx