DepSurf

Struct: `kfree_rcu_cpu`

Status

Regular

In 4.4: Absent ⚠️
In 4.8: Absent ⚠️
In 4.10: Absent ⚠️
In 4.13: Absent ⚠️
In 4.15: Absent ⚠️
In 4.18: Absent ⚠️
In 5.0: Absent ⚠️
In 5.3: Absent ⚠️
In 5.4: Absent ⚠️

In 5.8: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    struct kfree_rcu_bulk_data *bhead;
    struct kfree_rcu_bulk_data *bcached;
    struct kfree_rcu_cpu_work krw_arr[2];
    spinlock_t lock;
    struct delayed_work monitor_work;
    bool monitor_todo;
    bool initialized;
    int count;
};

In 5.11: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    struct kvfree_rcu_bulk_data * bkvhead[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool monitor_todo;
    bool initialized;
    int count;
    struct work_struct page_cache_work;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

In 5.13: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    struct kvfree_rcu_bulk_data * bkvhead[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool monitor_todo;
    bool initialized;
    int count;
    struct work_struct page_cache_work;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

In 5.15: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    struct kvfree_rcu_bulk_data * bkvhead[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool monitor_todo;
    bool initialized;
    int count;
    struct delayed_work page_cache_work;
    atomic_t backoff_page_cache_fill;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

In 5.19: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    struct kvfree_rcu_bulk_data * bkvhead[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool monitor_todo;
    bool initialized;
    int count;
    struct delayed_work page_cache_work;
    atomic_t backoff_page_cache_fill;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

In 6.2: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    struct kvfree_rcu_bulk_data * bkvhead[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool initialized;
    int count;
    struct delayed_work page_cache_work;
    atomic_t backoff_page_cache_fill;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

In 6.5: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    long unsigned int head_gp_snap;
    atomic_t head_count;
    struct list_head bulk_head[2];
    atomic_t bulk_count[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool initialized;
    struct delayed_work page_cache_work;
    atomic_t backoff_page_cache_fill;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

In 6.8: ✅

struct kfree_rcu_cpu {
    struct callback_head *head;
    long unsigned int head_gp_snap;
    atomic_t head_count;
    struct list_head bulk_head[2];
    atomic_t bulk_count[2];
    struct kfree_rcu_cpu_work krw_arr[2];
    raw_spinlock_t lock;
    struct delayed_work monitor_work;
    bool initialized;
    struct delayed_work page_cache_work;
    atomic_t backoff_page_cache_fill;
    atomic_t work_in_progress;
    struct hrtimer hrtimer;
    struct llist_head bkvcache;
    int nr_bkv_objs;
};

Arch

In arm64: Absent ⚠️
In armhf: Absent ⚠️
In ppc64el: Absent ⚠️
In riscv64: Absent ⚠️

Flavor

In aws: Absent ⚠️
In azure: Absent ⚠️
In gcp: Absent ⚠️
In lowlatency: Absent ⚠️

Differences

Regular

Changed between 5.8 and 5.11 ⚠️
- Field added. struct kvfree_rcu_bulk_data * bkvhead[2]
- Field added. struct work_struct page_cache_work
- Field added. atomic_t work_in_progress
- Field added. struct hrtimer hrtimer
- Field added. struct llist_head bkvcache
- Field added. int nr_bkv_objs
- Field removed. struct kfree_rcu_bulk_data *bhead
- Field removed. struct kfree_rcu_bulk_data *bcached
- Field type changed. spinlock_t lock ➡️ raw_spinlock_t lock
No changes between 5.11 and 5.13 ✅
Changed between 5.13 and 5.15 ⚠️
- Field added. atomic_t backoff_page_cache_fill
- Field type changed. struct work_struct page_cache_work ➡️ struct delayed_work page_cache_work
No changes between 5.15 and 5.19 ✅
Changed between 5.19 and 6.2 ⚠️
- Field removed. bool monitor_todo
Changed between 6.2 and 6.5 ⚠️
- Field added. long unsigned int head_gp_snap
- Field added. atomic_t head_count
- Field added. struct list_head bulk_head[2]
- Field added. atomic_t bulk_count[2]
- Field removed. struct kvfree_rcu_bulk_data * bkvhead[2]
- Field removed. int count
No changes between 6.5 and 6.8 ✅

DepSurf

Struct: kfree_rcu_cpu

Status

Differences

Struct: `kfree_rcu_cpu`