From: Eric Dumazet <edumazet@google.com>
Date: Mon, 15 Nov 2021 17:23:02 +0000 (-0800)
Subject: net: use .data.once section in netdev_level_once()
X-Git-Tag: nvme-5.17-2022-01-27~177^2~440^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7071732c26fe2cf141185ed16a8a85d02495ae8c;p=nvme.git

net: use .data.once section in netdev_level_once()

Same rationale than prior patch : using the dedicated
section avoid holes and pack all these bool values.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 31a7e6b27681..dd328364dfe9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4942,7 +4942,7 @@ void netdev_info(const struct net_device *dev, const char *format, ...);
 
 #define netdev_level_once(level, dev, fmt, ...)			\
 do {								\
-	static bool __print_once __read_mostly;			\
+	static bool __section(".data.once") __print_once;	\
 								\
 	if (!__print_once) {					\
 		__print_once = true;				\