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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7306FCD5BDE for ; Wed, 27 May 2026 03:31:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B222D6B0005; Tue, 26 May 2026 23:31:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AD2DB6B008A; Tue, 26 May 2026 23:31:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9E8396B008C; Tue, 26 May 2026 23:31:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 906606B0005 for ; Tue, 26 May 2026 23:31:02 -0400 (EDT) Received: from smtpin30.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 373338EFF9 for ; Wed, 27 May 2026 03:31:02 +0000 (UTC) X-FDA: 84811773564.30.1574E9E Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf26.hostedemail.com (Postfix) with ESMTP id 44C12140009 for ; Wed, 27 May 2026 03:31:00 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=SzjMDLXV; dmarc=pass (policy=none) header.from=infradead.org; spf=none (imf26.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1779852660; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=FEJmjXL2EjatPDpj2uMZTIF3mYzVfl1EpI149sPwX1s=; b=UZJ7b9Ia9vgWyxVL9yiwz6wkS/s2uexpvNqmXaaVA9yOEF2hagi3+3PSGIwVrsiaOalCuY XoYCk42SsfQIreCjwBXbHi9C8vV7sgz3taIOeKukOjB4oOdT6ofdgQU6Setlm6AaWSOzg7 m9W/RRkXHjDqGoUHGsnf3dRsMMo3Jtk= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=SzjMDLXV; dmarc=pass (policy=none) header.from=infradead.org; spf=none (imf26.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1779852660; a=rsa-sha256; cv=none; b=Vm+J6p/LTC5m23/rh+rpJlhHLzsuILxCwQWgLtvjiWEts0R1Xf5RmKPHetN4boHPzJmddP u6xY6p0UQG8CPL5knjEOgw6p8k7Q3JMWVUfS4P1IjmQXWhOxnuemVQ36x2xpZUKnbR0kem 6V7gK3zjtnH/3RpNUd1kyHAT5U0q/P0= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=FEJmjXL2EjatPDpj2uMZTIF3mYzVfl1EpI149sPwX1s=; b=SzjMDLXVYmez33PWlioTW3LcSA VYfm8lb0dxWyTtKUEXzvQO58VzLd8uZ4A570kIRTn/C5VAfHG5uTI+QTyZlW3WFEQaocZc+sJe+6w Dn2IVlbhEmFmRE4Q8gzB4Ig7t0zyq9SP1CWxblCmLyGSyJ6LdmicLI3DvHwBbc7U1+vL453bCEcml GazXwnM826IKjic6pIVVwwD0LZ43zntdbgpySyA+4oyJ+v4d36kiZLysUKYHAu/d4LL1hgzaGEC44 JXSWfpTjZKZLn53sxEolzqYvOlZCFwNi2cN+dKIPQv0K/ZWMffc3WLR+uBHJ/w9F0+cGeGUBlOttu i24CpnPQ==; Received: from willy by casper.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wS4ys-00000001quo-0A9A; Wed, 27 May 2026 03:30:54 +0000 Date: Wed, 27 May 2026 04:30:53 +0100 From: Matthew Wilcox To: Jaegeuk Kim Cc: Theodore Tso , linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Christoph Hellwig , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Akilesh Kailash , Christian Brauner Subject: Re: [f2fs-dev] [PATCH v2] f2fs: another way to set large folio by remembering inode number Message-ID: References: <20260521155748.GA79343@macsyma-wired.lan> <20260522141115.GA8258@macsyma-wired.lan> <20260522224108.GA18663@macsyma-wired.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Stat-Signature: tz79b9jx7g34t1burrd7zu5wyyykiypb X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 44C12140009 X-Rspam-User: X-HE-Tag: 1779852660-511211 X-HE-Meta: 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 AaCvsIs1 5ry6H5XPmoj5lSOhGWww4oI0oSGMrbDyD27HSmy9HMOtx5ovGEe57OgXRiZNlLo34jyyLHvt1DeXfpphAE8xcU+NbjuaxNn9u4semyBCJspRq9s4pVs2aG1JwoPovYuCTJIMtUzM3hPW78IFXk4ABCQGP7H4JxH1HGmANW1arIqzjXejqICPft4SKhX5Nd+SyLlcuKo6AZUcXVIE8s8KtrvKbueP2F0S5oq9jiLnqsKE5oC62k6cEnOAdVg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, May 27, 2026 at 02:43:21AM +0000, Jaegeuk Kim wrote: > Thanks for the context. To clarify a piece I missed earlier: the model pages > are also utilized for inference. Our data shows that larger chunks yield > higher inference speeds. Consequently, I required high-order pages to optimize > both read throughput and inference latency. I will halt my current efforts > and wait for alternative suggestions. I think your efforts would be best directed towards general support for large folios in f2fs. There's still 40+ places in f2fs that use a struct page, and converting them all to folios would be a great help.