chp_cfg_sccb 565 drivers/s390/char/sclp_cmd.c struct chp_cfg_sccb *sccb; chp_cfg_sccb 571 drivers/s390/char/sclp_cmd.c sccb = (struct chp_cfg_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA);