From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934194AbcBDF6T (ORCPT ); Thu, 4 Feb 2016 00:58:19 -0500 Received: from mail-pf0-f178.google.com ([209.85.192.178]:34562 "EHLO mail-pf0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934133AbcBDF5j (ORCPT ); Thu, 4 Feb 2016 00:57:39 -0500 From: Joonsoo Kim X-Google-Original-From: Joonsoo Kim To: Andrew Morton Cc: David Rientjes , Christian Borntraeger , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Benjamin Herrenschmidt , Takashi Iwai , Chris Metcalf , Christoph Lameter , linux-api@vger.kernel.org, Joonsoo Kim Subject: [PATCH 3/5] sound: query dynamic DEBUG_PAGEALLOC setting Date: Thu, 4 Feb 2016 14:56:24 +0900 Message-Id: <1454565386-10489-4-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1454565386-10489-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1454565386-10489-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We can disable debug_pagealloc processing even if the code is complied with CONFIG_DEBUG_PAGEALLOC. This patch changes the code to query whether it is enabled or not in runtime. Signed-off-by: Joonsoo Kim --- sound/drivers/pcsp/pcsp.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c index 27e25bb..72e2d00 100644 --- a/sound/drivers/pcsp/pcsp.c +++ b/sound/drivers/pcsp/pcsp.c @@ -14,6 +14,7 @@ #include #include #include +#include #include "pcsp_input.h" #include "pcsp.h" @@ -148,11 +149,11 @@ static int alsa_card_pcsp_init(struct device *dev) return err; } -#ifdef CONFIG_DEBUG_PAGEALLOC /* Well, CONFIG_DEBUG_PAGEALLOC makes the sound horrible. Lets alert */ - printk(KERN_WARNING "PCSP: CONFIG_DEBUG_PAGEALLOC is enabled, " - "which may make the sound noisy.\n"); -#endif + if (debug_pagealloc_enabled()) { + printk(KERN_WARNING "PCSP: CONFIG_DEBUG_PAGEALLOC is enabled, " + "which may make the sound noisy.\n"); + } return 0; } -- 1.9.1