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bpf: Move a few bpf_local_storage functions to static scope

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This patch moves the bpf_local_storage_free_rcu() and
bpf_selem_unlink_map() to static because they are
not used outside of bpf_local_storage.c.

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20230308065936.1550103-2-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Martin KaFai Lau 2023-03-07 22:59:20 -08:00 committed by Alexei Starovoitov
parent 4a54de6596
commit 4cbd23cc92
2 changed files with 2 additions and 5 deletions
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3
include/linux/bpf_local_storage.h
View File

@ -147,8 +147,6 @@ void bpf_selem_unlink(struct bpf_local_storage_elem *selem, bool use_trace_rcu);
void bpf_selem_link_map(struct bpf_local_storage_map *smap,
struct bpf_local_storage_elem *selem);
void bpf_selem_unlink_map(struct bpf_local_storage_elem *selem);
struct bpf_local_storage_elem *
bpf_selem_alloc(struct bpf_local_storage_map *smap, void *owner, void *value,
bool charge_mem, gfp_t gfp_flags);
@ -163,7 +161,6 @@ struct bpf_local_storage_data *
bpf_local_storage_update(void *owner, struct bpf_local_storage_map *smap,
void *value, u64 map_flags, gfp_t gfp_flags);
void bpf_local_storage_free_rcu(struct rcu_head *rcu);
u64 bpf_local_storage_map_mem_usage(const struct bpf_map *map);
#endif /* _BPF_LOCAL_STORAGE_H */

4
kernel/bpf/bpf_local_storage.c
View File

@ -95,7 +95,7 @@ bpf_selem_alloc(struct bpf_local_storage_map *smap, void *owner,
return NULL;
}
void bpf_local_storage_free_rcu(struct rcu_head *rcu)
static void bpf_local_storage_free_rcu(struct rcu_head *rcu)
{
struct bpf_local_storage *local_storage;
@ -251,7 +251,7 @@ void bpf_selem_link_storage_nolock(struct bpf_local_storage *local_storage,
hlist_add_head_rcu(&selem->snode, &local_storage->list);
}
void bpf_selem_unlink_map(struct bpf_local_storage_elem *selem)
static void bpf_selem_unlink_map(struct bpf_local_storage_elem *selem)
{
struct bpf_local_storage_map *smap;
struct bpf_local_storage_map_bucket *b;