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 X-Spam-Level: X-Spam-Status: No, score=-1.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5496BC433EF for ; Tue, 21 Sep 2021 10:56:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E41296115A for ; Tue, 21 Sep 2021 10:56:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E41296115A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 6FE8A900007; Tue, 21 Sep 2021 06:56:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6AD12900002; Tue, 21 Sep 2021 06:56:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 574BB900007; Tue, 21 Sep 2021 06:56:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0137.hostedemail.com [216.40.44.137]) by kanga.kvack.org (Postfix) with ESMTP id 4B5E5900002 for ; Tue, 21 Sep 2021 06:56:08 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id E8B80181A88EA for ; Tue, 21 Sep 2021 10:56:07 +0000 (UTC) X-FDA: 78611275974.28.2FD5923 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) by imf08.hostedemail.com (Postfix) with ESMTP id 97A6E30000AE for ; Tue, 21 Sep 2021 10:56:07 +0000 (UTC) Received: by mail-pj1-f48.google.com with SMTP id mv7-20020a17090b198700b0019c843e7233so2221614pjb.4 for ; Tue, 21 Sep 2021 03:56:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=y7LURbSsGsDLVF+thUJ2ISGPY7TGQ+JWR2GJD3gQl74=; b=Zn+V9OroQ+EvS2kYx+2MQAXc1/lL+8Nh/fK2eyp67nOYVbL6w7j5TDZjaRU3Ys9fZ2 nySpBS+1drMi7MiROt1+cLz95IAl6+UGcwByaqw+G0AmUA0jFOmPKUp9PfEH7MvJePgt rHOEuphF9qvBfkSeA6/CcoUbSPLtM6+F9jianHTHSyAKHJwtzFhUEHrNWNg1uddkr02k Xbj/8O5nx+qfHfiuf7hKe+MjKDSWOJFF1dvHjIWffPgQm5pRQzuBKA4PsbAN39zSQYpg OuGKUGEkeq8mNB/7vXUE361/tCV5qCWO/l4aNU/HfdmoAA6Z6JbmkZ3J8Kr1Q3oPPKQ7 xU/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=y7LURbSsGsDLVF+thUJ2ISGPY7TGQ+JWR2GJD3gQl74=; b=2dwghmJLSwQoNedulQvsrPfK0oa0Xwc05zxutXzxQqsM83g0INzSuDUOXtI5aXv8tN WzXSZ8RPMieaaM4V2ybmkZpfr/EY3yfGOei4KSlPkQ/jPYtT42fO5a71C+M5etEl1dV6 PORDlkXG6y//83Lx5cKm4QyIOPKzSEov63EUpYiyFaCR8aA15jSUrCasKkAxMiPvGO+K 6it07WPKtK/vVEu2juHhng0rQs7UXw2JS0n2Wu7RwW73qnWws+SysEnWssTD7CLw4sW0 S7mdKuhhHRhhv5qQh1Ryrhjpt62q8XWXO35Ana3bciFZ3Aynw7rkUBlfaZ2FM3X/niZK sIuw== X-Gm-Message-State: AOAM530AlzYHuiQcyLRXYjfH69zX6OJYr78AaDWVwfPRHrQdf/KV23jb 72HQopPYKH9vtItfW20CnCE= X-Google-Smtp-Source: ABdhPJwvzFa3P9dyBNmtq5bhtLhCGwRi18+b7ku5ZrFRQr7sb0n8C8DlXibxPdegCQqRaS7/BAcRyw== X-Received: by 2002:a17:90b:3b41:: with SMTP id ot1mr4564161pjb.186.1632221766670; Tue, 21 Sep 2021 03:56:06 -0700 (PDT) Received: from kvm.asia-northeast3-a.c.our-ratio-313919.internal (252.229.64.34.bc.googleusercontent.com. [34.64.229.252]) by smtp.gmail.com with ESMTPSA id z9sm3083784pfr.124.2021.09.21.03.56.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Sep 2021 03:56:06 -0700 (PDT) Date: Tue, 21 Sep 2021 10:56:01 +0000 From: Hyeonggon Yoo <42.hyeyoo@gmail.com> To: Matthew Wilcox Cc: linux-mm@kvack.org, Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Vlastimil Babka , linux-kernel@vger.kernel.org, Jens Axboe , John Garry , linux-block@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [RFC v2 PATCH] mm, sl[au]b: Introduce lockless cache Message-ID: <20210921105601.GA3121@kvm.asia-northeast3-a.c.our-ratio-313919.internal> References: <20210920154816.31832-1-42.hyeyoo@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=Zn+V9Oro; spf=pass (imf08.hostedemail.com: domain of 42.hyeyoo@gmail.com designates 209.85.216.48 as permitted sender) smtp.mailfrom=42.hyeyoo@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 97A6E30000AE X-Stat-Signature: nwoj9g9e7oou4sr5g33m7dbuha8uo715 X-HE-Tag: 1632221767-870539 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: Hello Matthew, I love your suggestion to make it more cache-friendly (and batch allocation) and it sounds good to me. I appreciate it so much. But give me some time (from just one to few days) to read relevant papers. and then I'll reply to your suggestions and send v3 with your suggestions in mind. Cheers, Hyeonggon