From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933948AbcAZJSV (ORCPT ); Tue, 26 Jan 2016 04:18:21 -0500 Received: from e06smtp14.uk.ibm.com ([195.75.94.110]:55480 "EHLO e06smtp14.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933020AbcAZJSF (ORCPT ); Tue, 26 Jan 2016 04:18:05 -0500 X-IBM-Helo: d06dlp01.portsmouth.uk.ibm.com X-IBM-MailFrom: borntraeger@de.ibm.com X-IBM-RcptTo: linux-arch@vger.kernel.org;linux-kernel@vger.kernel.org;linux-s390@vger.kernel.org From: Christian Borntraeger To: linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, x86@kernel.org, Christian Borntraeger Subject: [PATCH/RFC 1/3] mm: provide debug_pagealloc_enabled() without CONFIG_DEBUG_PAGEALLOC Date: Tue, 26 Jan 2016 10:18:23 +0100 Message-Id: <1453799905-10941-2-git-send-email-borntraeger@de.ibm.com> X-Mailer: git-send-email 2.3.0 In-Reply-To: <1453799905-10941-1-git-send-email-borntraeger@de.ibm.com> References: <1453799905-10941-1-git-send-email-borntraeger@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16012609-0017-0000-0000-000006F425A1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We can provide debug_pagealloc_enabled() also if CONFIG_DEBUG_PAGEALLOC is not set. It will return false in that case. Signed-off-by: Christian Borntraeger --- include/linux/mm.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 7783073..fbc5354 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2148,6 +2148,10 @@ kernel_map_pages(struct page *page, int numpages, int enable) extern bool kernel_page_present(struct page *page); #endif /* CONFIG_HIBERNATION */ #else +static inline bool debug_pagealloc_enabled(void) +{ + return false; +} static inline void kernel_map_pages(struct page *page, int numpages, int enable) {} #ifdef CONFIG_HIBERNATION -- 2.3.0