diff options
Diffstat (limited to 'arch/s390/include/asm/sysinfo.h')
| -rw-r--r-- | arch/s390/include/asm/sysinfo.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h index 229326c942c7..e784bed6ed7f 100644 --- a/arch/s390/include/asm/sysinfo.h +++ b/arch/s390/include/asm/sysinfo.h @@ -142,7 +142,15 @@ struct sysinfo_3_2_2 { extern int topology_max_mnest; -#define TOPOLOGY_CORE_BITS 64 +/* + * Returns the maximum nesting level supported by the cpu topology code. + * The current maximum level is 4 which is the drawer level. + */ +static inline unsigned char topology_mnest_limit(void) +{ + return min(topology_max_mnest, 4); +} + #define TOPOLOGY_NR_MAG 6 struct topology_core { @@ -152,7 +160,7 @@ struct topology_core { unsigned char pp:2; unsigned char reserved1; unsigned short origin; - unsigned long mask[TOPOLOGY_CORE_BITS / BITS_PER_LONG]; + unsigned long mask; }; struct topology_container { |