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authorJakub Kicinski <kuba@kernel.org>2021-11-19 00:13:16 +0300
committerJakub Kicinski <kuba@kernel.org>2021-11-19 00:13:16 +0300
commit50fc24944a2a0ef5aab571dcac17f6c5f2613f56 (patch)
tree32477b48cc10073e948eb7b85877dc5a0746749d /include/linux/bpf.h
parentbb8cecf8ba127abca8ccd102207a59c55fdae515 (diff)
parent8d0112ac6fd001f95aabb084ec2ccaa3637bc344 (diff)
downloadlinux-50fc24944a2a0ef5aab571dcac17f6c5f2613f56.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/bpf.h')
-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 56098c866704..3de38d7f0ced 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,