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| author | Eric Dumazet <edumazet@google.com> | 2021-09-30 03:03:32 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-09-30 15:17:10 +0200 |
| commit | 59f09ae8fac4a990070fc6bdc889d0e0118664ea (patch) | |
| tree | b2a2ae1c36876b2ef1aea66848d36b9b51cc41f2 /net/ipv4 | |
| parent | net/mlx4_en: Add XDP_REDIRECT statistics (diff) | |
| download | linux-59f09ae8fac4a990070fc6bdc889d0e0118664ea.tar.xz linux-59f09ae8fac4a990070fc6bdc889d0e0118664ea.zip | |
net: snmp: inline snmp_get_cpu_field()
This trivial function is called ~90,000 times on 256 cpus hosts,
when reading /proc/net/netstat. And this number keeps inflating.
Inlining it saves many cycles.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 2fc6074583a4..8eb428387bac 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1662,12 +1662,6 @@ int inet_ctl_sock_create(struct sock **sk, unsigned short family, } EXPORT_SYMBOL_GPL(inet_ctl_sock_create); -u64 snmp_get_cpu_field(void __percpu *mib, int cpu, int offt) -{ - return *(((unsigned long *)per_cpu_ptr(mib, cpu)) + offt); -} -EXPORT_SYMBOL_GPL(snmp_get_cpu_field); - unsigned long snmp_fold_field(void __percpu *mib, int offt) { unsigned long res = 0; |