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 8E499C4167B for ; Tue, 28 Nov 2023 06:53:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343672AbjK1GxW (ORCPT ); Tue, 28 Nov 2023 01:53:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231540AbjK1GxT (ORCPT ); Tue, 28 Nov 2023 01:53:19 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 225ED113 for ; Mon, 27 Nov 2023 22:53:02 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id d9443c01a7336-1cfabcbda7bso24083315ad.0 for ; Mon, 27 Nov 2023 22:53:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1701154381; x=1701759181; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=D1AV/WeEvVkVZyxPY0LuVBzXLEkyrsg/KgP7ZanWOto=; b=QyTGN2Nvydgbd0vCV4Ghwl7+EfbTHkWfsCZsWjcYXBnu/dFZ7IdQraY4svb1Z2tU0Q EdE7U8C60KWQPb/93psOQ6rHhJXQd6UWdHxAtme6FgSziNpoA1cBfl3ubIcDaVbar4Hk orjphwQ+r+tZDq7j3FNnDapkO3Jxg/SHIKeZm3C++SqPnyRU+QnC4xuU4TXbntXZjzrO Orv2KQhC6d7McNkMrtD/x8ZC7r8kh1cK/T1U3jic228vUpY+Stgi36aIos2SAOL8GS0b natsSsOQ4+zUtq7sE2yXZtj+o1et2O5aPWsYk/R04NQX8ZW2ARXQMWe4oj7MsjX0IzZZ I7Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701154381; x=1701759181; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=D1AV/WeEvVkVZyxPY0LuVBzXLEkyrsg/KgP7ZanWOto=; b=DESa7pkyUWpyQuMvOjLPkQNB2LfBMn6U0BxXqekBhZ1bDAJn1uBP0IsxnGitHnBzVP ZcRvaUOfEDDKvViS77A69DGgz5dzJko1x2wZJSPgjSWwTZxp44SnJl8QgnBGwPQW4LKP xt6cSoqhKTrxOlvtfxhs4WJnz+BxQpsll2Sl75CmxBG6v1KfRi7rp5g1AQclGelt+IUj Vv/A0rlhx3WUEbOnOHKVOnv9F/nnZd44umDz4WETZg5kznyY5Sv2CAW91sItpJKUUAMx hTEbms7HZJmWgZ/8e8aMZ0Oni5Izi/6SgAASfcelMnbs8+msHLqo6GVozXfxEudddd7H 29hQ== X-Gm-Message-State: AOJu0YyJMYsamVH3fv8wZRZYwcJ+iiccizv+pc5tKLyGmPgTjl37yeNS x9Uphsx9ZtqCWn/FHLWSLv1u9Q== X-Google-Smtp-Source: AGHT+IHOa5baZRFQaSnaz+ioo9XSwG/sUhHgXviZemTNH2BSoFuftQMb2eHft86SovgM+B880jxBxg== X-Received: by 2002:a17:902:e812:b0:1cc:5671:8d9 with SMTP id u18-20020a170902e81200b001cc567108d9mr24210525plg.27.1701154381627; Mon, 27 Nov 2023 22:53:01 -0800 (PST) Received: from [10.4.104.221] ([139.177.225.238]) by smtp.gmail.com with ESMTPSA id o11-20020a17090ad24b00b002774d7e2fefsm8422297pjw.36.2023.11.27.22.52.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Nov 2023 22:53:01 -0800 (PST) Message-ID: <13ad8d92-dc69-4088-b3db-16fade43bde3@bytedance.com> Date: Tue, 28 Nov 2023 14:52:56 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v1 0/4] hugetlb: parallelize hugetlb page allocation on boot Content-Language: en-US To: David Hildenbrand Cc: Gang Li , Mike Kravetz , Muchun Song , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20231123133036.68540-1-gang.li@linux.dev> <5c0e27f2-5826-4537-a1ab-1debfab65b9a@redhat.com> <28e28c2a-e72d-a181-e87a-39cecc8c3c76@google.com> <9d5de524-28ee-4d71-9493-f77967ea213c@redhat.com> <783f8bac-55b8-5b95-eb6a-11a583675000@google.com> From: Gang Li In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi David Hildenbrand :), On 2023/11/23 22:10, David Hildenbrand wrote: > Sorry to say, but why is that a scenario worth adding complexity for / > optimizing for? You don't cover that, so there is a clear lack in the > motivation. Regarding your concern about complexity, this is indeed something to consider. There is a precedent of parallelization in pgdata[1] which might be reused (or other methods) to reduce the complexity of this series. [1] https://lore.kernel.org/all/20200527173608.2885243-1-daniel.m.jordan@oracle.com/