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-rw-r--r--include/net/sock.h13
-rw-r--r--net/core/sock.c22
2 files changed, 27 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index abc6341f536f..ebf9552664b2 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 7d2c8add5f5a..174c64bc7a43 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)
{