linux-kernel - [PATCH] netdevice.h: Add __cold to netdev

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Date:   Sat, 02 Feb 2019 19:47:25 -0800
From:   Joe Perches <joe@...ches.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] netdevice.h: Add __cold to netdev_<level> logging functions

Add __cold to the netdev_<level> logging functions similar to
the use of __cold in the generic printk function.

Using __cold moves all the netdev_<level> logging functions
out-of-line possibly improving code locality and runtime
performance.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 include/linux/netdevice.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 579d132a75ff..b6c6d2fe17b0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4671,22 +4671,22 @@ static inline const char *netdev_reg_state(const struct net_device *dev)
 	return " (unknown)";
 }
 
-__printf(3, 4)
+__printf(3, 4) __cold
 void netdev_printk(const char *level, const struct net_device *dev,
 		   const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_emerg(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_alert(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_crit(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_err(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_warn(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_notice(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void netdev_info(const struct net_device *dev, const char *format, ...);
 
 #define netdev_level_once(level, dev, fmt, ...)			\