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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FAC6C433EF for ; Thu, 20 Jan 2022 21:28:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377882AbiATV2Y (ORCPT ); Thu, 20 Jan 2022 16:28:24 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:58908 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377888AbiATV2V (ORCPT ); Thu, 20 Jan 2022 16:28:21 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 12D00B81E6A for ; Thu, 20 Jan 2022 21:28:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BC59C340E0; Thu, 20 Jan 2022 21:28:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1642714098; bh=+e2oNa6OnDOCvGH9GcwxmuF03dX3E0uA1dLbfoqlnWA=; h=Date:From:To:Subject:From; b=OOqhsm89O54LzFubqTGboEqyUuLWBpiJXypAVEgVxws/RGPNF9Yr4+manmE8m6bFx NZvn6N8OsTr9Lf8YtSi3xDuPdRQzFSXTcB1S0RUN//oZ2RlTm9r6h7guRZczxTuJ1Y lEKOEIjgstlelyjbG6WuSK7Dakp2cJzUNsMHbHuI= Date: Thu, 20 Jan 2022 13:28:18 -0800 From: akpm@linux-foundation.org To: mm-commits@vger.kernel.org, sj@kernel.org, songmuchun@bytedance.com, xhao@linux.alibaba.com Subject: [merged] mm-damon-core-using-function-abs-instead-of-diff_of.patch removed from -mm tree Message-ID: <20220120212818.tcDghPHzx%akpm@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 The patch titled Subject: mm/damon/core: use abs() instead of diff_of() has been removed from the -mm tree. Its filename was mm-damon-core-using-function-abs-instead-of-diff_of.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Xin Hao Subject: mm/damon/core: use abs() instead of diff_of() In kernel, we can use abs(a - b) to get the absolute value, So there is no need to redefine a new one. Link: https://lkml.kernel.org/r/b24e7b82d9efa90daf150d62dea171e19390ad0b.1636989871.git.xhao@linux.alibaba.com Signed-off-by: Xin Hao Reviewed-by: Muchun Song Reviewed-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/mm/damon/core.c~mm-damon-core-using-function-abs-instead-of-diff_of +++ a/mm/damon/core.c @@ -750,8 +750,6 @@ static void damon_merge_two_regions(stru damon_destroy_region(r, t); } -#define diff_of(a, b) (a > b ? a - b : b - a) - /* * Merge adjacent regions having similar access frequencies * @@ -765,13 +763,13 @@ static void damon_merge_regions_of(struc struct damon_region *r, *prev = NULL, *next; damon_for_each_region_safe(r, next, t) { - if (diff_of(r->nr_accesses, r->last_nr_accesses) > thres) + if (abs(r->nr_accesses - r->last_nr_accesses) > thres) r->age = 0; else r->age++; if (prev && prev->ar.end == r->ar.start && - diff_of(prev->nr_accesses, r->nr_accesses) <= thres && + abs(prev->nr_accesses - r->nr_accesses) <= thres && sz_damon_region(prev) + sz_damon_region(r) <= sz_limit) damon_merge_two_regions(t, prev, r); else _ Patches currently in -mm which might be from xhao@linux.alibaba.com are