From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751961AbbLMJMw (ORCPT ); Sun, 13 Dec 2015 04:12:52 -0500 Received: from out114-136.biz.mail.alibaba.com ([205.204.114.136]:43123 "EHLO out21.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751717AbbLMJMu (ORCPT ); Sun, 13 Dec 2015 04:12:50 -0500 X-Greylist: delayed 534 seconds by postgrey-1.27 at vger.kernel.org; Sun, 13 Dec 2015 04:12:49 EST X-Alimail-AntiSpam: AC=CONTINUE;BC=0.07881573|-1;FP=0|0|0|0|0|-1|-1|-1;HT=e02c03273;MF=chengang@emindsoft.com.cn;NM=1;PH=DS;RN=6;RT=6;SR=0;TI=SMTPD_----4LDI1Ln_1449997610; Message-ID: <566D35DC.6090801@emindsoft.com.cn> Date: Sun, 13 Dec 2015 17:09:48 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: arnd@arndb.de, Andrew Morton CC: linux-arch@vger.kernel.org, "linux-kernel@vger.kernel.org" , Chen Gang , chenwei@emindsoft.com.cn Subject: [PATCH] include/asm-generic/pgtable.h: Remove redundant variable r Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return the immediate number directly. Signed-off-by: Chen Gang --- include/asm-generic/pgtable.h | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index aecf0141..069536a 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -51,12 +51,11 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, pte_t *ptep) { pte_t pte = *ptep; - int r = 1; + if (!pte_young(pte)) - r = 0; - else - set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte)); - return r; + return 0; + set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte)); + return 1; } #endif @@ -67,12 +66,11 @@ static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, pmd_t *pmdp) { pmd_t pmd = *pmdp; - int r = 1; + if (!pmd_young(pmd)) - r = 0; - else - set_pmd_at(vma->vm_mm, address, pmdp, pmd_mkold(pmd)); - return r; + return 0; + set_pmd_at(vma->vm_mm, address, pmdp, pmd_mkold(pmd)); + return 1; } #else static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, -- 1.9.3