diff options
| -rw-r--r-- | arch/arm/kernel/topology.c | 3 | ||||
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | kernel/sched/core.c | 10 |
3 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index dcfc4842fda6..85ce3c336706 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -310,7 +310,8 @@ void store_cpu_topology(unsigned int cpuid) static inline const int cpu_corepower_flags(void) { - return SD_SHARE_PKG_RESOURCES | SD_SHARE_POWERDOMAIN; + return SD_SHARE_PKG_RESOURCES | SD_SHARE_POWERDOMAIN | \ + SD_SHARE_CAP_STATES; } static struct sched_domain_topology_level arm_topology[] = { diff --git a/include/linux/sched.h b/include/linux/sched.h index a3a3610cd937..a4a03fb02917 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -794,6 +794,7 @@ enum cpu_idle_type { #define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */ #define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */ #define SD_NUMA 0x4000 /* cross-node balancing */ +#define SD_SHARE_CAP_STATES 0x8000 /* Domain members share capacity state */ #ifdef CONFIG_SCHED_SMT static inline const int cpu_smt_flags(void) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7991cf7d813d..17c02cc1f10a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4552,7 +4552,8 @@ static int sd_degenerate(struct sched_domain *sd) SD_BALANCE_EXEC | SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES | - SD_SHARE_POWERDOMAIN)) { + SD_SHARE_POWERDOMAIN | + SD_SHARE_CAP_STATES)) { if (sd->groups != sd->groups->next) return 0; } @@ -4584,7 +4585,8 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent) SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES | SD_PREFER_SIBLING | - SD_SHARE_POWERDOMAIN); + SD_SHARE_POWERDOMAIN | + SD_SHARE_CAP_STATES); if (nr_node_ids == 1) pflags &= ~SD_SERIALIZE; } @@ -5212,6 +5214,7 @@ static int sched_domains_curr_level; * SD_SHARE_PKG_RESOURCES - describes shared caches * SD_NUMA - describes NUMA topologies * SD_SHARE_POWERDOMAIN - describes shared power domain + * SD_SHARE_CAP_STATES - describes shared capacity states * * Odd one out: * SD_ASYM_PACKING - describes SMT quirks @@ -5221,7 +5224,8 @@ static int sched_domains_curr_level; SD_SHARE_PKG_RESOURCES | \ SD_NUMA | \ SD_ASYM_PACKING | \ - SD_SHARE_POWERDOMAIN) + SD_SHARE_POWERDOMAIN | \ + SD_SHARE_CAP_STATES) static struct sched_domain * sd_init(struct sched_domain_topology_level *tl, int cpu) |