DepSurf

Struct: `bpf_mem_cache`

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: Absent ⚠️
In 5.11: Absent ⚠️
In 5.13: Absent ⚠️
In 5.15: Absent ⚠️
In 5.19: Absent ⚠️

In 6.2: ✅

struct bpf_mem_cache {
    struct llist_head free_llist;
    local_t active;
    struct llist_head free_llist_extra;
    struct irq_work refill_work;
    struct obj_cgroup *objcg;
    int unit_size;
    int free_cnt;
    int low_watermark;
    int high_watermark;
    int batch;
    int percpu_size;
    struct callback_head rcu;
    struct llist_head free_by_rcu;
    struct llist_head waiting_for_gp;
    atomic_t call_rcu_in_progress;
};

In 6.5: ✅

struct bpf_mem_cache {
    struct llist_head free_llist;
    local_t active;
    struct llist_head free_llist_extra;
    struct irq_work refill_work;
    struct obj_cgroup *objcg;
    int unit_size;
    int free_cnt;
    int low_watermark;
    int high_watermark;
    int batch;
    int percpu_size;
    struct callback_head rcu;
    struct llist_head free_by_rcu;
    struct llist_head waiting_for_gp;
    atomic_t call_rcu_in_progress;
};

In 6.8: ✅

struct bpf_mem_cache {
    struct llist_head free_llist;
    local_t active;
    struct llist_head free_llist_extra;
    struct irq_work refill_work;
    struct obj_cgroup *objcg;
    int unit_size;
    int free_cnt;
    int low_watermark;
    int high_watermark;
    int batch;
    int percpu_size;
    bool draining;
    struct bpf_mem_cache *tgt;
    struct llist_head free_by_rcu;
    struct llist_node *free_by_rcu_tail;
    struct llist_head waiting_for_gp;
    struct llist_node *waiting_for_gp_tail;
    struct callback_head rcu;
    atomic_t call_rcu_in_progress;
    struct llist_head free_llist_extra_rcu;
    struct llist_head free_by_rcu_ttrace;
    struct llist_head waiting_for_gp_ttrace;
    struct callback_head rcu_ttrace;
    atomic_t call_rcu_ttrace_in_progress;
};

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

No changes between 6.2 and 6.5 ✅
Changed between 6.5 and 6.8 ⚠️
- Field added. bool draining
- Field added. struct bpf_mem_cache *tgt
- Field added. struct llist_node *free_by_rcu_tail
- Field added. struct llist_node *waiting_for_gp_tail
- Field added. struct llist_head free_llist_extra_rcu
- Field added. struct llist_head free_by_rcu_ttrace
- Field added. struct llist_head waiting_for_gp_ttrace
- Field added. struct callback_head rcu_ttrace
- Field added. atomic_t call_rcu_ttrace_in_progress

DepSurf

Struct: bpf_mem_cache

Status

Differences

Struct: `bpf_mem_cache`