website-struct

Struct: pid_namespace

Status

Regular

• In 4.4: ✅

  struct pid_namespace {
      struct kref kref;
      struct pidmap pidmap[128];
      struct callback_head rcu;
      int last_pid;
      unsigned int nr_hashed;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 4.8: ✅

  struct pid_namespace {
      struct kref kref;
      struct pidmap pidmap[128];
      struct callback_head rcu;
      int last_pid;
      unsigned int nr_hashed;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 4.10: ✅

  struct pid_namespace {
      struct kref kref;
      struct pidmap pidmap[128];
      struct callback_head rcu;
      int last_pid;
      unsigned int nr_hashed;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 4.13: ✅

  struct pid_namespace {
      struct kref kref;
      struct pidmap pidmap[128];
      struct callback_head rcu;
      int last_pid;
      unsigned int nr_hashed;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 4.15: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 4.18: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.0: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.3: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.4: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.8: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.11: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.13: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.15: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
  };
  

• In 5.19: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
  };
  

• In 6.2: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
  };
  

• In 6.5: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
      int memfd_noexec_scope;
  };
  

• In 6.8: ✅

  struct pid_namespace {
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      int reboot;
      struct ns_common ns;
      int memfd_noexec_scope;
  };
  

Arch

• In arm64: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In armhf: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In ppc64el: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In riscv64: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

Flavor

• In aws: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In azure: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In gcp: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

• In lowlatency: ✅

  struct pid_namespace {
      struct kref kref;
      struct idr idr;
      struct callback_head rcu;
      unsigned int pid_allocated;
      struct task_struct *child_reaper;
      struct kmem_cache *pid_cachep;
      unsigned int level;
      struct pid_namespace *parent;
      struct vfsmount *proc_mnt;
      struct dentry *proc_self;
      struct dentry *proc_thread_self;
      struct fs_pin *bacct;
      struct user_namespace *user_ns;
      struct ucounts *ucounts;
      struct work_struct proc_work;
      kgid_t pid_gid;
      int hide_pid;
      int reboot;
      struct ns_common ns;
  };
  

Differences

Regular

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

  • Field added. struct ucounts *ucounts
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. struct idr idr
  • Field added. unsigned int pid_allocated
  • Field removed. struct pidmap pidmap[128]
  • Field removed. int last_pid
  • Field removed. unsigned int nr_hashed
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field removed. struct vfsmount *proc_mnt
  • Field removed. struct dentry *proc_self
  • Field removed. struct dentry *proc_thread_self
  • Field removed. struct work_struct proc_work
  • Field removed. kgid_t pid_gid
  • Field removed. int hide_pid
• Changed between 5.8 and 5.11 ⚠️

  • Field removed. struct kref kref
• 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 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Field added. int memfd_noexec_scope
• 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 ✅