diff options
Diffstat (limited to 'drivers/s390/char')
| -rw-r--r-- | drivers/s390/char/sclp_early_core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c index bbea2154a807..4f04ba689771 100644 --- a/drivers/s390/char/sclp_early_core.c +++ b/drivers/s390/char/sclp_early_core.c @@ -270,3 +270,20 @@ int __init sclp_early_get_info(struct read_info_sccb *info) *info = sclp_info_sccb; return 0; } + +int __init sclp_early_get_meminfo(unsigned long *mem, unsigned long *rzm) +{ + unsigned long rnmax; + unsigned long rnsize; + struct read_info_sccb *sccb = &sclp_info_sccb; + + if (!sclp_info_sccb_valid) + return -EIO; + + rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2; + rnsize = sccb->rnsize ? sccb->rnsize : sccb->rnsize2; + rnsize <<= 20; + *mem = rnsize * rnmax; + *rzm = rnsize; + return 0; +} |