From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 261D11CFEA8; Tue, 8 Oct 2024 18:48:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728413310; cv=none; b=DVj2cOmOQ/4SxFPnwC6EZ8XCLhGYY+/kK0hgRBlsnRfoGrQz9FFMbhvi4cTy0OixID466znmCKUTwiSdZSsTB33jaUwLKhZ7H1sCx4cU6VGWLG5X9mBJgzog4HtVcBVFCVCNavbYLWHHDZbQXCcZKn+EWNDA7jsE90fhivDcx7g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728413310; c=relaxed/simple; bh=KIUSnI4bSjcC/9tgO6G4ppN7X16GdeAUZEfsTxG69kY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r8BtpXs1k6wwtNY4U6wD3WthmZTXusXINJeWI7MzoIGFXdPnj+vzYLAYBmPJPE+Ndef+XPGZJ19IUfFZu7wpiDgBimA7eiwHGjF5R6UTxMoNsh1pzQHYJpA3jcoSPVOhq+3jf2NEzNu7Hy09yHBaxEciUXISX5slWigVRErR5Cs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ne3EUR/R; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ne3EUR/R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6A74C4CEC7; Tue, 8 Oct 2024 18:48:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728413310; bh=KIUSnI4bSjcC/9tgO6G4ppN7X16GdeAUZEfsTxG69kY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ne3EUR/RDYkQ6ZyWe7NpbgdY+rg23oRfmSg2W53zWCNY7CI90SbzJnN3Zvu/pwjTc MQViC91SnsgYq5UFcLQ6nWUR3uz1G8c9N3PWQbZi7np1ET1kxv91rn/8MLuZ9yRMrG u9vXiR6elqC7Q/FLDWzH0XcDkPSQ2UosqCxqTgk4Py71fQnJcDugxgv/dm3fInC79A 8Q1i7apDtLPkRNrJiSh5aQKeM8chfTHvvfz6+0c5CfI/4mCpjhyS9g34QclHUacq1B fIjaYZh7CLd/ShVqRmfV6FwS3njidge1m7Nix2qBnjwjGkL35E+TkUFvW206z9sSGB mOE+V5JZqJS3g== Date: Tue, 8 Oct 2024 08:48:28 -1000 From: Tejun Heo To: Chen Ridong Cc: martin.lau@linux.dev, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, lizefan.x@bytedance.com, hannes@cmpxchg.org, roman.gushchin@linux.dev, mkoutny@suse.com, bpf@vger.kernel.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, chenridong@huawei.com Subject: Re: [PATCH v6 3/3] workqueue: Adjust WQ_MAX_ACTIVE from 512 to 2048 Message-ID: References: <20241008112458.49387-1-chenridong@huaweicloud.com> <20241008112458.49387-4-chenridong@huaweicloud.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241008112458.49387-4-chenridong@huaweicloud.com> On Tue, Oct 08, 2024 at 11:24:58AM +0000, Chen Ridong wrote: > From: Chen Ridong > > WQ_MAX_ACTIVE is currently set to 512, which was established approximately > 15 yeas ago. However, with the significant increase in machine sizes and > capabilities, the previous limit of 256 concurrent tasks is no longer > sufficient. Therefore, we propose to increase WQ_MAX_ACTIVE to 2048. > and WQ_DFL_ACTIVE is 1024 now. > > Signed-off-by: Chen Ridong Applied 2-3 to wq/for-6.13. Thanks. -- tejun