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 D76E0C48286 for ; Sun, 4 Feb 2024 07:48:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4D1FE6B007D; Sun, 4 Feb 2024 02:48:31 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 481F56B007E; Sun, 4 Feb 2024 02:48:31 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 349406B0080; Sun, 4 Feb 2024 02:48:31 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 263556B007D for ; Sun, 4 Feb 2024 02:48:31 -0500 (EST) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id E11BC1205DE for ; Sun, 4 Feb 2024 07:48:30 +0000 (UTC) X-FDA: 81753343980.27.3EFF7BB Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) by imf23.hostedemail.com (Postfix) with ESMTP id 0CF10140002 for ; Sun, 4 Feb 2024 07:48:28 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="EI/tZZiu"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf23.hostedemail.com: domain of gang.li@linux.dev designates 91.218.175.188 as permitted sender) smtp.mailfrom=gang.li@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1707032909; 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=eNLMD4Rtcx6eRP5bHEJyzsY+D9XLppdCBqZ5byzRpFE=; b=wtwLzPgSpaVrIBCJERrg5VOIOQ8wHeuQehp9FCAw5drNwhRe/60jmDiffiW4UgoZI39UTk 0lkML6G2tNTjUT6EYTx4m1GUekq7HC0u9WAd4+PZKPfs4v2ra7Bh6egH8qdzjKzra8PnU6 En2ewIkVmFxGP1IpOq9FXq0OZEmXTJ8= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="EI/tZZiu"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf23.hostedemail.com: domain of gang.li@linux.dev designates 91.218.175.188 as permitted sender) smtp.mailfrom=gang.li@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1707032909; a=rsa-sha256; cv=none; b=nRq0EYIPhiA70bwBhDebOFsvlkNj2EhInitKoBljjKY4nQwV34WiaP/0mA1Yw8WLY5k+DG xQvueu3lVX0YEPE1LfDK/aBE/MDycO+7WFYbd2z0SBLjRc7BYSZdBYpZvXz6ft5pfdRDyR cuIXdzL6xK3hDQIqysuPun0y+K1dZjc= Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1707032906; 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=eNLMD4Rtcx6eRP5bHEJyzsY+D9XLppdCBqZ5byzRpFE=; b=EI/tZZiuDOweJFlYW4diPs4pBQ63y2hUk42vGWef9+eHlyaClru6292LYvy/Q6sHaPKV0t 3+jgFeRQmzKm2lS1ZieNP4H99sgmI46hJM0tEUC6rGdWnHGVt2DH4fO0EcAj98gvSlzWFU WNmnWcuAEuQSleIKwuO0hcHdPurq+Ig= Date: Sun, 4 Feb 2024 15:48:12 +0800 MIME-Version: 1.0 Subject: Re: [PATCH 1/1] hugetlb: fix CONFIG_PADATA dependency for non-SMP system Content-Language: en-US To: Muchun Song Cc: Gang Li , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Randy Dunlap , kernel test robot References: <20240204072525.1986626-1-gang.li@linux.dev> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Gang Li In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 0CF10140002 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: 6qx9ufg53thhak67gmworci8u637birs X-HE-Tag: 1707032908-643295 X-HE-Meta: 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 iP4qbr+V GOSbkshRepCfxYXYI/AUI6IaGRepnTky1ktIEFfWmKI3wihaMPsp4QdU2d6in5TjWKg993ME8IeKB4K34efe9t00QrdnWI5vos+RYhxOaUCDeshk7/HPo4XPrES7snmA69dvYQ0bkBJXzN0E= 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: On 2024/2/4 15:44, Muchun Song wrote: > I don't think it is a clear way to fix this. If someone want to > use PADATA in a non-SMP system, he should be carefully to handle > the non-SMP case himself. I think the better way is to make PADATA > handle the non-SMP case, I think it should be easy for it, which > could just call ->thread_fn() many times instead of creating many > threads in the non-SMP case. > > Thanks. > Sounds good, I'll take a look at padata and send a new patch.