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 A265FC47DD9 for ; Sun, 25 Feb 2024 13:03:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DEEFD6B010E; Sun, 25 Feb 2024 08:03:34 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D9F156B010F; Sun, 25 Feb 2024 08:03:34 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C668E6B0110; Sun, 25 Feb 2024 08:03:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id B865D6B010E for ; Sun, 25 Feb 2024 08:03:34 -0500 (EST) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 47AC7A0546 for ; Sun, 25 Feb 2024 13:03:34 +0000 (UTC) X-FDA: 81830342748.19.F25999A Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) by imf27.hostedemail.com (Postfix) with ESMTP id 619CE40021 for ; Sun, 25 Feb 2024 13:03:32 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="OTmqVR/d"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf27.hostedemail.com: domain of chengming.zhou@linux.dev designates 95.215.58.177 as permitted sender) smtp.mailfrom=chengming.zhou@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1708866212; 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=YBS/vqv7//g5T5JLfCN0p+agffab/kEhJFeyvy8o3i4=; b=u3HmC7rZCetiTI36+1Phj4HCNxhJ5Sh3bRy3AhAbb0H8hB6kpgVdsNLKbTC4CFHowBakiI KQSi8JX0cTmPLzL40L8wJSkVL5NZ3OzLPVKhnqt69DvN7IMHnnrPDdfD/JU/tyy0Z2sVGI hWjodNjGRaU9xk/zdCCfsQsHmLDsCDU= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="OTmqVR/d"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf27.hostedemail.com: domain of chengming.zhou@linux.dev designates 95.215.58.177 as permitted sender) smtp.mailfrom=chengming.zhou@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1708866212; a=rsa-sha256; cv=none; b=jUoRuZUmMGgH0wo3zgDqOvCmBFOKukXNa2WaPoEPLFsfynbvoNaLOc8y+75PxxzMKkX5nN xLy0x5DDBkTOenDTAYPLouxu77Qw+uQ/KK0hUBgnButdP7Lhq/i71PF5CiLhasTFEafyfj /7EyBu57XA/NxWOKEJCUKXtGoOkREoo= Message-ID: <34678776-859a-42f2-802b-0c7bc90bdfdc@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1708866210; 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=YBS/vqv7//g5T5JLfCN0p+agffab/kEhJFeyvy8o3i4=; b=OTmqVR/dWHrbxfIU/KRVKI+7ES2nTdRD3QMuHRXgzdpdBIZaPfEMRGCfZFpESwpu6msP4F TdNgon4mhMa4q0P5Tf57uVQ/+AkGYLdfxPfcU056iFQ5sxbYoSKioTqmHvnK64lp+85I8V T9DKnjQJekdUQpHzfXciJgH5YNx2wjs= Date: Sun, 25 Feb 2024 21:02:53 +0800 MIME-Version: 1.0 Subject: Re: [PATCH] ocfs2: remove SLAB_MEM_SPREAD flag usage Content-Language: en-US To: Joseph Qi , mark@fasheh.com, jlbec@evilplan.org, brauner@kernel.org, jlayton@kernel.org, keescook@chromium.org Cc: jack@suse.cz, zhouchengming@bytedance.com, azeemshaikh38@gmail.com, ocfs2-devel@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, vbabka@suse.cz, roman.gushchin@linux.dev, Xiongwei.Song@windriver.com References: <20240224135008.829878-1-chengming.zhou@linux.dev> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Chengming Zhou In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 619CE40021 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: asmf4rj73di86rxgahwmw1sogi8gecgb X-HE-Tag: 1708866212-927825 X-HE-Meta: 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 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 2024/2/25 20:20, Joseph Qi wrote: > > > On 2/24/24 9:50 PM, chengming.zhou@linux.dev wrote: >> From: Chengming Zhou >> >> The SLAB_MEM_SPREAD flag is already a no-op as of 6.8-rc1, remove >> its usage so we can delete it from slab. No functional change. >> > If I understand correctly, you are referring the following patch: > https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/ > > But it seems that the above patch is not included in mainline yet. > Or am I missing something? I realize my commit message should explain more why it's a no-op, my bad. The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was removed so it became a dead flag as of v6.8-rc1. That series[1] mark it obsolete to avoid confusion for users. So here we can just remove all its users, which has no functional changes. [1] https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/ Thanks! > > Joseph >