Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751928AbbKPGvs (ORCPT ); Mon, 16 Nov 2015 01:51:48 -0500 Received: from cmccmta3.chinamobile.com ([221.176.66.81]:8330 "EHLO cmccmta3.chinamobile.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751701AbbKPGvl (ORCPT ); Mon, 16 Nov 2015 01:51:41 -0500 X-RM-TRANSID: 2eec56497cf92ae-ce501 X-RM-SPAM-FLAG: 00000000 X-RM-TRANSID: 2ee356497cf0429-d91ea From: Yaowei Bai To: akpm@linux-foundation.org Cc: bhe@redhat.com, dan.j.williams@intel.com, dave.hansen@linux.intel.com, dave@stgolabs.net, dhowells@redhat.com, dingel@linux.vnet.ibm.com, hannes@cmpxchg.org, hillf.zj@alibaba-inc.com, holt@sgi.com, iamjoonsoo.kim@lge.com, joe@perches.com, kuleshovmail@gmail.com, mgorman@suse.de, mhocko@suse.cz, mike.kravetz@oracle.com, n-horiguchi@ah.jp.nec.com, penberg@kernel.org, rientjes@google.com, sasha.levin@oracle.com, tj@kernel.org, tony.luck@intel.com, vbabka@suse.cz, vdavydov@parallels.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/7] mm/vmscan: page_is_file_cache can be boolean Date: Mon, 16 Nov 2015 14:51:23 +0800 Message-Id: <1447656686-4851-5-git-send-email-baiyaowei@cmss.chinamobile.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447656686-4851-1-git-send-email-baiyaowei@cmss.chinamobile.com> References: <1447656686-4851-1-git-send-email-baiyaowei@cmss.chinamobile.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1563 Lines: 45 This patch makes page_is_file_cache return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai --- include/linux/mm_inline.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index cf55945..af73135 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -8,8 +8,8 @@ * page_is_file_cache - should the page be on a file LRU or anon LRU? * @page: the page to test * - * Returns 1 if @page is page cache page backed by a regular filesystem, - * or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed. + * Returns true if @page is page cache page backed by a regular filesystem, + * or false if @page is anonymous, tmpfs or otherwise ram or swap backed. * Used by functions that manipulate the LRU lists, to sort a page * onto the right LRU list. * @@ -17,7 +17,7 @@ * needs to survive until the page is last deleted from the LRU, which * could be as far down as __page_cache_release. */ -static inline int page_is_file_cache(struct page *page) +static inline bool page_is_file_cache(struct page *page) { return !PageSwapBacked(page); } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/