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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9F62BC47E49 for ; Wed, 24 Jan 2024 19:05:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:Message-ID:In-Reply-To:Subject:cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=35mM6I4/a8/AAfo6vEpCkUubuJeihuMJQkFca3EvMAM=; b=yDvfd+mEVk4ndKlRTWFPmHJmOT 4Mrzk2U2kZ/RwMibqSDB1NeekYlao1L8R21pATlAlj1+1V1JijRsVvESFGjY/dSxFpgud6PrTLNxP sxNTcLuVm0gJ9pXMzEnT7DFC+2Xsc6RKvuXBsAIZcr2Idfc6MtF9mYvIRLx2s1yKumUrL7v+ZOtdr eN6al2TkI5AfnfdEUkBP6Orm/w9PyavSOjhinWUwO2o8QUxwD2Hnk1Ebi0BUMMCg0rAF+W+nH34J/ xrghXz523uTmERskDuQmdUoEs2/vNMGVfRAjzZP/HGstxO6srA3wAnBJhF1XZbNyjvSr1Wf7+tZJV T3E5qcKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rSiZ9-004oHo-2g; Wed, 24 Jan 2024 19:05:39 +0000 Received: from gentwo.org ([62.72.0.81]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rSiZ6-004oFn-2m for linux-nvme@lists.infradead.org; Wed, 24 Jan 2024 19:05:38 +0000 Received: by gentwo.org (Postfix, from userid 1003) id C086040A94; Wed, 24 Jan 2024 11:05:33 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id BFEA640787; Wed, 24 Jan 2024 11:05:33 -0800 (PST) Date: Wed, 24 Jan 2024 11:05:33 -0800 (PST) From: "Christoph Lameter (Ampere)" To: Matthew Wilcox cc: David Rientjes , Pasha Tatashin , Sourav Panda , lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvme@lists.infradead.org, bpf@vger.kernel.org Subject: Re: [LSF/MM/BPF TOPIC] State Of The Page In-Reply-To: Message-ID: <52821f7a-bb6f-308c-38b0-e5e9904d4f8c@linux.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240124_110536_916571_5EC99D43 X-CRM114-Status: UNSURE ( 9.09 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Wed, 24 Jan 2024, Matthew Wilcox wrote: > On Wed, Jan 24, 2024 at 09:51:02AM -0800, Christoph Lameter (Ampere) wrote: >> Can we come up with a design that uses a huge page (or some arbitrary page >> size) and the breaks out portions of the large page? That way potentially >> TLB use can be reduced (multiple sections of a large page use the same TLB) >> and defragmentation occurs because allocs and frees focus on a selection of >> large memory sections. > > Could I trouble you to reply in this thread: > https://lore.kernel.org/linux-mm/Za6RXtSE_TSdrRm_@casper.infradead.org/ > where I actually outline what I think we should do next. Ahh... ok. Will do.