From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B7EAC433E7 for ; Fri, 16 Oct 2020 02:44:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE9A520897 for ; Fri, 16 Oct 2020 02:44:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602816267; bh=vHYOGHu0gT/r5g9stsKEey/EYU06gb0oYyYcbHmQLys=; h=Date:From:To:Subject:In-Reply-To:Reply-To:List-ID:From; b=tGrhomuEplgWfdQjUvMJNRaEpjrKkhF7wVMur6hp2PppP6EHo/iX40yOFnQBydf1s RBXiBWHIHTLx036nXA8qroNoyq86XbgtFRRtokQCdbxShXKeqMO4hEnOxEkZ0UkwUA +n4gUsouKM6Wf+vYHx6SjWQMNVUTWN5dYRMuVNyg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389834AbgJPCo0 (ORCPT ); Thu, 15 Oct 2020 22:44:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:60090 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389682AbgJPCo0 (ORCPT ); Thu, 15 Oct 2020 22:44:26 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6E4A82145D; Fri, 16 Oct 2020 02:44:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602816265; bh=vHYOGHu0gT/r5g9stsKEey/EYU06gb0oYyYcbHmQLys=; h=Date:From:To:Subject:In-Reply-To:From; b=uHns43jYZ6cgoBvnk50gB0/08Tzlfx4eeJfZnqbUvdcuYYDUK4ChgCqb8FvXESC25 1PJLJnMRRY4oGVj/l+P5SyrLMhBD/XwjCwVaBy4QTQaVu4NW1ioynVs3JMAIZpR3pC hMoJKCJ+yJP0BlIt/r4f797WiTPXaKfLA+0uY1oM= Date: Thu, 15 Oct 2020 19:44:24 -0700 From: Andrew Morton To: akpm@linux-foundation.org, linmiaohe@huawei.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 056/156] mm/vmstat.c: use helper macro abs() Message-ID: <20201016024424.biNnIIAcg%akpm@linux-foundation.org> In-Reply-To: <20201015192732.f448da14e9854c7cb7299956@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Miaohe Lin Subject: mm/vmstat.c: use helper macro abs() Use helper macro abs() to simplify the "x > t || x < -t" cmp. Link: https://lkml.kernel.org/r/20200905084008.15748-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: Andrew Morton Signed-off-by: Andrew Morton --- mm/vmstat.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/mm/vmstat.c~mm-vmstat-use-helper-macro-abs +++ a/mm/vmstat.c @@ -325,7 +325,7 @@ void __mod_zone_page_state(struct zone * t = __this_cpu_read(pcp->stat_threshold); - if (unlikely(x > t || x < -t)) { + if (unlikely(abs(x) > t)) { zone_page_state_add(x, zone, item); x = 0; } @@ -350,7 +350,7 @@ void __mod_node_page_state(struct pglist t = __this_cpu_read(pcp->stat_threshold); - if (unlikely(x > t || x < -t)) { + if (unlikely(abs(x) > t)) { node_page_state_add(x, pgdat, item); x = 0; } @@ -511,7 +511,7 @@ static inline void mod_zone_state(struct o = this_cpu_read(*p); n = delta + o; - if (n > t || n < -t) { + if (abs(n) > t) { int os = overstep_mode * (t >> 1) ; /* Overflow must be added to zone counters */ @@ -573,7 +573,7 @@ static inline void mod_node_state(struct o = this_cpu_read(*p); n = delta + o; - if (n > t || n < -t) { + if (abs(n) > t) { int os = overstep_mode * (t >> 1) ; /* Overflow must be added to node counters */ _