From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f178.google.com (mail-ob0-f178.google.com [209.85.214.178]) by kanga.kvack.org (Postfix) with ESMTP id A6D316B0256 for ; Mon, 16 Nov 2015 01:52:43 -0500 (EST) Received: by obbww6 with SMTP id ww6so115123039obb.0 for ; Sun, 15 Nov 2015 22:52:43 -0800 (PST) Received: from cmccmta1.chinamobile.com (cmccmta1.chinamobile.com. [221.176.66.79]) by mx.google.com with ESMTP id z8si19975527obk.95.2015.11.15.22.52.42 for ; Sun, 15 Nov 2015 22:52:42 -0800 (PST) From: Yaowei Bai 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> 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: owner-linux-mm@kvack.org List-ID: 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 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org