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-rw-r--r--include/linux/bpf.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index f715e8863f4d..e7a163a3146b 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -193,7 +193,7 @@ struct bpf_map {
atomic64_t usercnt;
struct work_struct work;
struct mutex freeze_mutex;
- u64 writecnt; /* writable mmap cnt; protected by freeze_mutex */
+ atomic64_t writecnt;
};
static inline bool map_value_has_spin_lock(const struct bpf_map *map)
@@ -1419,6 +1419,7 @@ void bpf_map_put(struct bpf_map *map);
void *bpf_map_area_alloc(u64 size, int numa_node);
void *bpf_map_area_mmapable_alloc(u64 size, int numa_node);
void bpf_map_area_free(void *base);
+bool bpf_map_write_active(const struct bpf_map *map);
void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr);
int generic_map_lookup_batch(struct bpf_map *map,
const union bpf_attr *attr,