From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="QoRiMK/Z" Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8DC31708 for ; Thu, 7 Dec 2023 13:04:27 -0800 (PST) Received: by mail-io1-xd33.google.com with SMTP id ca18e2360f4ac-7b37a2e6314so12107639f.1 for ; Thu, 07 Dec 2023 13:04:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1701983067; x=1702587867; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tXvEzGNamUbqRrEd+8gPXXWIOewwxYDCIMTlohmAGFI=; b=QoRiMK/Z9M/7bpN7wxJeH9Ytn/rFh9dfmJgdszH4KaB0TTvLJSTxXTkOisNZgsyGWG dkIadtkDAkS4b9TZfSm45P5Z7AMva6+YYUeqTeb1VvehYUkU6A4/zbB9bwQUqGUWOAVj o8o7THEjtHTFqUeWe29SdFzEvuoPrEGT3wVafZ08RT5KpFO79TSFLQgher4E8KlS40YZ MpqSEFg0qIW80NWGPHasXaJdP9/PNbLKyj2CgQFZGRKXV3bpbqZiOB/8YiamKAsQRXy9 Bp/f6M8S6bFuXSz8FhApnN3yaPzIc1Ng6BrVPTJlsfk9/pdvU5Bg8R6aKzPaABakFv0A gmvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701983067; x=1702587867; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tXvEzGNamUbqRrEd+8gPXXWIOewwxYDCIMTlohmAGFI=; b=OBbZD57I42wVgQGiqpleiPClZg4aCumz/r7+4eIPhRjRoVBkbswb3SROeZwpjsJdYf qIbjVpuYTPsr2VTo8t/dzH7do10xZ3yNqBHBbKDK91od/h40DmtYy+wE1RB1YkqbOUfT c3ITeCbEZVJDMcG9vm4f4ejQ5xx9mMBRdu6JIQ6rKI41kLCeP5LDG/F/CNZzRl+WPmrV 8DOerOcfobDDRX4AlBD1TuJtkOtyMn5lnUi4MPbPOYFp5KwsRTNNOVzKF6PLji7alYp3 iV3sGwwrZh4PFh4UrdvsMUi0v8siAD4IW8mT86YzhL8VlurLd+XEHs8RhLNYPhseL5f2 0OMg== X-Gm-Message-State: AOJu0Yy1oqBodnjRmglwHfMLBJ4wdSnQsiOzbWPzrJ7ft3MrSS4waRkz UzmcQFFJB8JBOWOaD75HOq0SrA== X-Google-Smtp-Source: AGHT+IHD6Hl71ge/A3HXgZbYEah2+7DDoF0+51S3+Ha7PvHo1MdC6v1kljCPHJ00TvAeoRdBNPUd1g== X-Received: by 2002:a6b:f105:0:b0:7b6:fb5d:fe4d with SMTP id e5-20020a6bf105000000b007b6fb5dfe4dmr2666390iog.2.1701983067233; Thu, 07 Dec 2023 13:04:27 -0800 (PST) Received: from [127.0.0.1] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id f10-20020a056638118a00b0043a1b74a0e3sm115951jas.90.2023.12.07.13.04.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 13:04:26 -0800 (PST) From: Jens Axboe To: "Matthew Wilcox (Oracle)" Cc: Andrew Morton , "Kirill A . Shutemov" , Hugh Dickins , linux-mm@kvack.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org In-Reply-To: <20230814144100.596749-1-willy@infradead.org> References: <20230814144100.596749-1-willy@infradead.org> Subject: Re: [PATCH] block: Remove special-casing of compound pages Message-Id: <170198306635.1954272.10907610290128291539.b4-ty@kernel.dk> Date: Thu, 07 Dec 2023 14:04:26 -0700 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13-dev-7edf1 On Mon, 14 Aug 2023 15:41:00 +0100, Matthew Wilcox (Oracle) wrote: > The special casing was originally added in pre-git history; reproducing > the commit log here: > > > commit a318a92567d77 > > Author: Andrew Morton > > Date: Sun Sep 21 01:42:22 2003 -0700 > > > > [PATCH] Speed up direct-io hugetlbpage handling > > > > This patch short-circuits all the direct-io page dirtying logic for > > higher-order pages. Without this, we pointlessly bounce BIOs up to > > keventd all the time. > > [...] Applied, thanks! [1/1] block: Remove special-casing of compound pages commit: 1b151e2435fc3a9b10c8946c6aebe9f3e1938c55 Best regards, -- Jens Axboe