website-struct

Struct: root_domain

Status

Regular

• In 4.4: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      bool overload;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
  };
  

• In 4.8: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      bool overload;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
  };
  

• In 4.10: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      bool overload;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
  };
  

• In 4.13: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      bool overload;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
  };
  

• In 4.15: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      bool overload;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
  };
  

• In 4.18: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      bool overload;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
  };
  

• In 5.0: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.3: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.4: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.8: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.11: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.13: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.15: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 5.19: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 6.2: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 6.5: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In 6.8: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      u64 visit_gen;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

Arch

• In arm64: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In armhf: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In ppc64el: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In riscv64: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

Flavor

• In aws: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In azure: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In gcp: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

• In lowlatency: ✅

  struct root_domain {
      atomic_t refcount;
      atomic_t rto_count;
      struct callback_head rcu;
      cpumask_var_t span;
      cpumask_var_t online;
      int overload;
      int overutilized;
      cpumask_var_t dlo_mask;
      atomic_t dlo_count;
      struct dl_bw dl_bw;
      struct cpudl cpudl;
      struct irq_work rto_push_work;
      raw_spinlock_t rto_lock;
      int rto_loop;
      int rto_cpu;
      atomic_t rto_loop_next;
      atomic_t rto_loop_start;
      cpumask_var_t rto_mask;
      struct cpupri cpupri;
      long unsigned int max_cpu_capacity;
      struct perf_domain *pd;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• Changed between 4.8 and 4.10 ⚠️

  • Field added. long unsigned int max_cpu_capacity
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. struct irq_work rto_push_work
  • Field added. raw_spinlock_t rto_lock
  • Field added. int rto_loop
  • Field added. int rto_cpu
  • Field added. atomic_t rto_loop_next
  • Field added. atomic_t rto_loop_start
• No changes between 4.15 and 4.18 ✅
• Changed between 4.18 and 5.0 ⚠️

  • Field added. int overutilized
  • Field added. struct perf_domain *pd
  • Field type changed. bool overload ➡️ int overload
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. u64 visit_gen
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅