diff options
Diffstat (limited to 'arch/s390/include/asm/sysinfo.h')
| -rw-r--r-- | arch/s390/include/asm/sysinfo.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h index 27394989073a..73bff45ced55 100644 --- a/arch/s390/include/asm/sysinfo.h +++ b/arch/s390/include/asm/sysinfo.h @@ -142,6 +142,15 @@ struct sysinfo_3_2_2 { extern int topology_max_mnest; +/* + * Returns the maximum nesting level supported by the cpu topology code. + * The current maximum level is 4 which is the drawer level. + */ +static inline int topology_mnest_limit(void) +{ + return min(topology_max_mnest, 4); +} + #define TOPOLOGY_NR_MAG 6 struct topology_core { |