Subject: [PATCH v2 net-next 2/3] net: change sysctl_net_ll_poll into an unsigned int

From: Eliezer Tamir <[email-masked]>
Date: Wed, 12 Jun 2013 14:20:05 +0300

There is no reason for sysctl_net_ll_poll to be an unsigned long.
Change it into an unsigned int.
Fix the proc handler.
Add a cast in ll_end_time()

Signed-off-by: Eliezer Tamir <[email-masked]>
---

 include/net/ll_poll.h      |    5 +++--
 net/core/sysctl_net_core.c |    4 ++--
 net/socket.c               |    2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/include/net/ll_poll.h b/include/net/ll_poll.h
index bc262f8..d20508d 100644
--- a/include/net/ll_poll.h
+++ b/include/net/ll_poll.h
@@ -34,7 +34,7 @@
 #ifdef CONFIG_NET_LL_RX_POLL
 
 struct napi_struct;
-extern unsigned long sysctl_net_ll_poll __read_mostly;
+extern unsigned int sysctl_net_ll_poll __read_mostly;
 
 /* return values from ndo_ll_poll */
 #define LL_FLUSH_FAILED		-1
@@ -45,7 +45,8 @@ extern unsigned long sysctl_net_ll_poll __read_mostly;
 
 static inline cycles_t ll_end_time(void)
 {
-	return TSC_MHZ * ACCESS_ONCE(sysctl_net_ll_poll) + get_cycles();
+	return (cycles_t)TSC_MHZ * ACCESS_ONCE(sysctl_net_ll_poll)
+		 + get_cycles();
 }
 
 static inline bool sk_valid_ll(struct sock *sk)
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 4b48f39..3c78b75 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -289,9 +289,9 @@ static struct ctl_table net_core_table[] = {
 	{
 		.procname	= "low_latency_poll",
 		.data		= &sysctl_net_ll_poll,
-		.maxlen		= sizeof(unsigned long),
+		.maxlen		= sizeof(unsigned int),
 		.mode		= 0644,
-		.proc_handler	= proc_doulongvec_minmax
+		.proc_handler	= proc_dointvec
 	},
 #endif
 #endif /* CONFIG_NET */
diff --git a/net/socket.c b/net/socket.c
index 21fd29f..caaffa1 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -107,7 +107,7 @@
 #include <net/ll_poll.h>
 
 #ifdef CONFIG_NET_LL_RX_POLL
-unsigned long sysctl_net_ll_poll __read_mostly;
+unsigned int sysctl_net_ll_poll __read_mostly;
 EXPORT_SYMBOL_GPL(sysctl_net_ll_poll);
 #endif

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