From: Jia He <hejianet@gmail.com>
To: netdev@vger.kernel.org
Cc: linux-sctp@vger.kernel.org, linux-kernel@vger.kernel.org,
davem@davemloft.net, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
James Morris <jmorris@namei.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
Patrick McHardy <kaber@trash.net>,
Vlad Yasevich <vyasevich@gmail.com>,
Neil Horman <nhorman@tuxdriver.com>,
Steffen Klassert <steffen.klassert@secunet.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Jia He <hejianet@gmail.com>
Subject: [RFC PATCH 5/6] ipv6: Remove useless parameter in __snmp6_fill_statsdev
Date: Tue, 30 Aug 2016 00:03:59 +0800 [thread overview]
Message-ID: <1472486640-1111-6-git-send-email-hejianet@gmail.com> (raw)
In-Reply-To: <1472486640-1111-1-git-send-email-hejianet@gmail.com>
The parameter items(always ICMP6_MIB_MAX) is useless for __snmp6_fill_statsdev.
Signed-off-by: Jia He <hejianet@gmail.com>
---
net/ipv6/addrconf.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index df8425f..0fa5aa1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4944,18 +4944,18 @@ static inline size_t inet6_if_nlmsg_size(void)
}
static inline void __snmp6_fill_statsdev(u64 *stats, atomic_long_t *mib,
- int items, int bytes)
+ int bytes)
{
int i;
- int pad = bytes - sizeof(u64) * items;
+ int pad = bytes - sizeof(u64) * ICMP6_MIB_MAX;
BUG_ON(pad < 0);
/* Use put_unaligned() because stats may not be aligned for u64. */
- put_unaligned(items, &stats[0]);
- for (i = 1; i < items; i++)
+ put_unaligned(ICMP6_MIB_MAX, &stats[0]);
+ for (i = 1; i < ICMP6_MIB_MAX; i++)
put_unaligned(atomic_long_read(&mib[i]), &stats[i]);
- memset(&stats[items], 0, pad);
+ memset(&stats[ICMP6_MIB_MAX], 0, pad);
}
static inline void __snmp6_fill_stats64(u64 *stats, void __percpu *mib,
@@ -4988,7 +4988,7 @@ static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype,
offsetof(struct ipstats_mib, syncp));
break;
case IFLA_INET6_ICMP6STATS:
- __snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, ICMP6_MIB_MAX, bytes);
+ __snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, bytes);
break;
}
}
--
1.8.3.1
next prev parent reply other threads:[~2016-08-29 16:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 16:03 [RFC PATCH 0/6] Reduce cache miss for snmp_fold_field Jia He
2016-08-29 16:03 ` [RFC PATCH 1/6] proc: Reduce cache miss in {snmp,netstat}_seq_show Jia He
2016-08-29 16:41 ` Eric Dumazet
2016-08-30 8:15 ` hejianet
2016-08-29 16:03 ` [RFC PATCH 2/6] proc: Reduce cache miss in snmp6_seq_show Jia He
2016-08-29 16:03 ` [RFC PATCH 3/6] proc: Reduce cache miss in sctp_snmp_seq_show Jia He
2016-08-29 16:03 ` [RFC PATCH 4/6] proc: Reduce cache miss in xfrm_statistics_seq_show Jia He
2016-08-29 16:03 ` Jia He [this message]
2016-08-29 16:04 ` [RFC PATCH 6/6] net: Suppress the "Comparison to NULL Jia He
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