diff options
| -rw-r--r-- | include/net/sock.h | 13 | ||||
| -rw-r--r-- | net/core/sock.c | 22 |
2 files changed, 27 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index abc6341f536..ebf9552664b 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -639,18 +639,15 @@ static inline void sk_refcnt_debug_release(const struct sock *sk) # define DEFINE_PROTO_INUSE(NAME) DEFINE_PCOUNTER(NAME) # define REF_PROTO_INUSE(NAME) PCOUNTER_MEMBER_INITIALIZER(NAME, .inuse) /* Called with local bh disabled */ -static inline void sock_prot_inuse_add(struct proto *prot, int inc) -{ - pcounter_add(&prot->inuse, inc); -} +extern void sock_prot_inuse_add(struct proto *prot, int inc); + static inline int sock_prot_inuse_init(struct proto *proto) { return pcounter_alloc(&proto->inuse); } -static inline int sock_prot_inuse_get(struct proto *proto) -{ - return pcounter_getval(&proto->inuse); -} + +extern int sock_prot_inuse_get(struct proto *proto); + static inline void sock_prot_inuse_free(struct proto *proto) { pcounter_free(&proto->inuse); diff --git a/net/core/sock.c b/net/core/sock.c index 7d2c8add5f5..174c64bc7a4 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1942,8 +1942,30 @@ static LIST_HEAD(proto_list); #ifdef CONFIG_PROC_FS #define PROTO_INUSE_NR 64 /* should be enough for the first time */ +struct prot_inuse { + int val[PROTO_INUSE_NR]; +}; static DECLARE_BITMAP(proto_inuse_idx, PROTO_INUSE_NR); +static DEFINE_PER_CPU(struct prot_inuse, prot_inuse); + +void sock_prot_inuse_add(struct proto *prot, int val) +{ + __get_cpu_var(prot_inuse).val[prot->inuse_idx] += val; +} +EXPORT_SYMBOL_GPL(sock_prot_inuse_add); + +int sock_prot_inuse_get(struct proto *prot) +{ + int cpu, idx = prot->inuse_idx; + int res = 0; + + for_each_possible_cpu(cpu) + res += per_cpu(prot_inuse, cpu).val[idx]; + + return res >= 0 ? res : 0; +} +EXPORT_SYMBOL_GPL(sock_prot_inuse_get); static void assign_proto_idx(struct proto *prot) { |