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| author | Eric Dumazet <edumazet@google.com> | 2016-04-28 02:44:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-28 05:48:22 +0300 |
| commit | 6aef70a851ac77967992340faaff33f44598f60a (patch) | |
| tree | fe2e05554f7901d9ff1349b403e11d1e95874fbc /include/net/ip.h | |
| parent | 2995aea5b68b6850e76aadd95be777cb36949e62 (diff) | |
| download | linux-6aef70a851ac77967992340faaff33f44598f60a.tar.xz | |
net: snmp: kill various STATS_USER() helpers
In the old days (before linux-3.0), SNMP counters were duplicated,
one for user context, and one for BH context.
After commit 8f0ea0fe3a03 ("snmp: reduce percpu needs by 50%")
we have a single copy, and what really matters is preemption being
enabled or disabled, since we use this_cpu_inc() or __this_cpu_inc()
respectively.
We therefore kill SNMP_INC_STATS_USER(), SNMP_ADD_STATS_USER(),
NET_INC_STATS_USER(), NET_ADD_STATS_USER(), SCTP_INC_STATS_USER(),
SNMP_INC_STATS64_USER(), SNMP_ADD_STATS64_USER(), TCP_ADD_STATS_USER(),
UDP_INC_STATS_USER(), UDP6_INC_STATS_USER(), and XFRM_INC_STATS_USER()
Following patches will rename __BH helpers to make clear their
usage is not tied to BH being disabled.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 93725e546758..ae0e85d018e8 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -194,10 +194,8 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, #define IP_UPD_PO_STATS_BH(net, field, val) SNMP_UPD_PO_STATS64_BH((net)->mib.ip_statistics, field, val) #define NET_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.net_statistics, field) #define NET_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.net_statistics, field) -#define NET_INC_STATS_USER(net, field) SNMP_INC_STATS_USER((net)->mib.net_statistics, field) #define NET_ADD_STATS(net, field, adnd) SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd) #define NET_ADD_STATS_BH(net, field, adnd) SNMP_ADD_STATS_BH((net)->mib.net_statistics, field, adnd) -#define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd) u64 snmp_get_cpu_field(void __percpu *mib, int cpu, int offct); unsigned long snmp_fold_field(void __percpu *mib, int offt); |