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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38916CA0EE4 for ; Fri, 15 Aug 2025 01:59:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AD9B28E01B6; Thu, 14 Aug 2025 21:59:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AB1A58E0002; Thu, 14 Aug 2025 21:59:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9EE2E8E01B6; Thu, 14 Aug 2025 21:59:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 8F4758E0002 for ; Thu, 14 Aug 2025 21:59:15 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 3A6BD5B7DF for ; Fri, 15 Aug 2025 01:59:15 +0000 (UTC) X-FDA: 83777334270.12.05F7253 Received: from out-182.mta0.migadu.com (out-182.mta0.migadu.com [91.218.175.182]) by imf28.hostedemail.com (Postfix) with ESMTP id 5FB36C000B for ; Fri, 15 Aug 2025 01:59:13 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=CC8SV4ny; spf=pass (imf28.hostedemail.com: domain of ye.liu@linux.dev designates 91.218.175.182 as permitted sender) smtp.mailfrom=ye.liu@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1755223153; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=tzKVb+OuhpcSSRMoVYa9IuCr7Oh6acF4Qvk0wsQHiRY=; b=DBLinQCvAAq1GaKcocNLWXcpRsGD+CzNoj+ZTqgQIqpRwueOhxG3Dt7s+Z3tUZcrkRU4kg vEDCuFnPMqakmjhBECjLA8xokQot+H86XP+NANRBwXnBvwAC6oPqf3qaxPEoUpXLBaPArX 2zPOyGtB24U2IbzuF33QruM/759sxPA= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1755223153; a=rsa-sha256; cv=none; b=6ai/Yeo1ODxCKkXLrLvRy+2+FZPLunfe/sgE+9GXc4YOx9aI1jgtiB+CKI4t7stCCYSRRY LFzS5MoAab5zxia4ciaRtzgAKTjex0P00zcSGE6CIWikSY+VUwYKKQEIz4Ia14yQeVw2hu IUGgv0zSMAI77QqefbMhEvr/WBHuBEc= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=CC8SV4ny; spf=pass (imf28.hostedemail.com: domain of ye.liu@linux.dev designates 91.218.175.182 as permitted sender) smtp.mailfrom=ye.liu@linux.dev; dmarc=pass (policy=none) header.from=linux.dev Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1755223151; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=tzKVb+OuhpcSSRMoVYa9IuCr7Oh6acF4Qvk0wsQHiRY=; b=CC8SV4nybWBdyn4sb5Ef9djH6SombrOwQmW9xgpmCO4hNoUez8LppozIaHXhYsoJlXRzpS DkMzD5134Mn+VZVSjdVu7R5h8FW/yZMrUXRdIHpmRD33VcC21R2FGvVAsq/Mrhqv5jXFr7 8Y/hMUzHHjxNTYXur5IUPLAjuDNgWus= Date: Fri, 15 Aug 2025 09:59:04 +0800 MIME-Version: 1.0 Subject: Re: [PATCH] mm/page_alloc: simplify lowmem_reserve max calculation To: Johannes Weiner Cc: Andrew Morton , Vlastimil Babka , Ye Liu , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250814090053.22241-1-ye.liu@linux.dev> <20250814140713.GF115258@cmpxchg.org> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Ye Liu In-Reply-To: <20250814140713.GF115258@cmpxchg.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 5FB36C000B X-Stat-Signature: tbostas6pr563xom4xa1w1tzu3pbzsaq X-HE-Tag: 1755223153-355350 X-HE-Meta: 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 zwzc2zbi I4mBmxIHjCMjBN3hafNvkxgV+Jn+FjNeNyeskZRID/nSZFIOkth59AjxtYoo6LtSBcOsAxLCmN1Z9RH1ATNALB+dwERSBcXGzsy9UBSj/Q1EA603ySMcMAEoSJgiCwavDg1D8UzwiI6F4jxSlj3XxdmfwT2hEsVb0YfEcsNX/DUt2H7DoLNTUK+H1DmxaIDgdTc9HCqcDd45tKxSuj6pn0IP1BqLUdYmPhZuuxsmrl4qnshGNFZjwOO6nPB/qk77IyfOHj9PmxD1BDcs63+KFi/1CwLGAcgW5fiA2CFSFf17aaS5kRJCoMVMT/64zgclGtywDXuU8tAUFRgF6rqKoNXDPoxLbBD9mhqn+5q8n5LPWw50= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 在 2025/8/14 22:07, Johannes Weiner 写道: > On Thu, Aug 14, 2025 at 05:00:52PM +0800, Ye Liu wrote: >> From: Ye Liu >> >> Use max() macro to simplify the calculation of maximum lowmem_reserve >> value in calculate_totalreserve_pages(), instead of open-coding the >> comparison. The functionality remains identical. >> >> Signed-off-by: Ye Liu > > You can remove the {} from the for block as well now. I agree to delete it, but I noticed a patch has been added to the -mm mm-new branch by Andrew Morton[1]. What should I do now? Send v2 ? Or send a new patch? If this is my first time, please feel free to give me some advice. [1]:https://lore.kernel.org/all/20250815004917.03FD7C4CEED@smtp.kernel.org/ > > Acked-by: Johannes Weiner -- Thanks, Ye Liu