Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752911AbcDRPKv (ORCPT ); Mon, 18 Apr 2016 11:10:51 -0400 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:28364 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752770AbcDRPKs (ORCPT ); Mon, 18 Apr 2016 11:10:48 -0400 X-IronPort-AV: E=Sophos;i="5.24,503,1454972400"; d="scan'208";a="174949121" From: Julia Lawall To: "David S. Miller" Cc: kernel-janitors@vger.kernel.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, "Luis R . Rodriguez" , Josh Triplett Subject: [PATCH 5/5] cmd640: add __init attribute Date: Mon, 18 Apr 2016 16:55:38 +0200 Message-Id: <1460991338-9845-6-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1460991338-9845-1-git-send-email-Julia.Lawall@lip6.fr> References: <1460991338-9845-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1437 Lines: 37 Add __init attribute on a function that is only called from other __init functions and that is not inlined, at least with gcc version 4.8.4 on an x86 machine with allyesconfig. Currently, the function is put in the .text.unlikely segment. Declaring it as __init will cause it to be put in the .init.text and to disappear after initialization. The result of objdump -x on the function before the change is as follows: 0000000000000000 l F .text.unlikely 00000000000000e4 cmd640x_init_one And after the change it is as follows: 00000000000000d2 l F .init.text 00000000000000df cmd640x_init_one Done with the help of Coccinelle. The semantic patch checks for local static non-init functions that are called from an __init function and are not called from any other function. Signed-off-by: Julia Lawall --- drivers/ide/cmd640.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c index 70f0a27..004243b 100644 --- a/drivers/ide/cmd640.c +++ b/drivers/ide/cmd640.c @@ -695,7 +695,7 @@ static const struct ide_port_info cmd640_port_info __initconst = { .pio_mask = ATA_PIO5, }; -static int cmd640x_init_one(unsigned long base, unsigned long ctl) +static int __init cmd640x_init_one(unsigned long base, unsigned long ctl) { if (!request_region(base, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",