linux-kernel - [PATCH 2/7] console: fix section mismatch warning in vgacon.c

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Message-ID: <20070720212743.GB25064@uranus.ravnborg.org>
Date:	Fri, 20 Jul 2007 23:27:43 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	LKML <linux-kernel@...r.kernel.org>,
	"Antonino A. Daplas" <adaplas@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 2/7] console: fix section mismatch warning in vgacon.c

Fix following section mismatch warning:
WARNING: vmlinux.o(.text+0x121e62): Section mismatch: reference to .init.text:__alloc_bootmem (between 'vgacon_startup' and 'vgacon_scrolldelta')

Browsing the code it seems that vgacon_scrollback_startup() is only
called during the init phase so the reference to the .init.text
section is OK.
Teach modpost not to warn using ___init_refok.

Signed-off-by: Sam Ravnborg <sam@...nborg.org>
---
 drivers/video/console/vgacon.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index f46fe95..d18b73a 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -187,7 +187,11 @@ static void vgacon_scrollback_init(int pitch)
 	}
 }
 
-static void vgacon_scrollback_startup(void)
+/*
+ * Called only duing init so call of alloc_bootmen is ok.
+ * Marked __init_refok to silence modpost.
+ */
+static void __init_refok vgacon_scrollback_startup(void)
 {
 	vgacon_scrollback = alloc_bootmem(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE
 					  * 1024);
-- 
1.5.1.rc3.g84b7-dirty

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