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 73280C25B74 for ; Fri, 10 May 2024 22:26:04 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID: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=mDWdy40phobtDo1EYqidBkOvRKcJzKGMzhog4C78HJY=; b=2Brvw4rR7GyKYnqJ43qb99ftGN CRLpwqyjQmiaG7xC8xsvJVvPLt/rE85eY+cDQCi8WKOcq6RtgtAEM4fM2J/vVcRUfN/efWmAPyTyW gEjmKyuWc3oFSUGuxXuExVYftIbhkikaUtgTKH1HLPvPcTyoeI4gzK55Ld03WtH81Bk8enUybXJsn KBGcsYYuVe3uWU7KpNKnUNEqdARoJuTr2BhgVv3Dei28jRLJD9wNFdsKDQzee1VfHVhP+sogvl7cQ lN0x2PZ+rHrhHUkexBuu692WzdhMI6ljjVazdp2UuLVRVOVAxNBW50n07hPrHnnJOiI9b+kmYk7NE QGJM5qtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s5Ygl-00000006elJ-1mri; Fri, 10 May 2024 22:26:03 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s5Ygk-00000006el1-09cN for linux-nvme@bombadil.infradead.org; Fri, 10 May 2024 22:26:02 +0000 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=mDWdy40phobtDo1EYqidBkOvRKcJzKGMzhog4C78HJY=; b=MHxa5dB+sqNtijGkFw4AHM8W4V Ddagdkvy3FPcGX2jB4RsXpDirYH5okbQr+z4gYtCZy4iANrrAJFQZM2ZzA+pUL0tPEyDI0XFMZCDr /l/jaaJCIMuzMCGjtTa2Ta+kMs0dW2Xnx1gLUrsKWwbkv231ptMD9MxDwPvVEHPNRpqXI2+0qOblU oMWecHC92bU5Z22yYjnp+T5RMFK9FPQVqjZ38tsCf1xCPdJp8N2Z1DgQoKXwvlzdFHrr/x7asCSyL WjKmtHp6qxkw0EztiB/HY8yKqaqNw3EZ+Thstfbgw/kns3PFDllJkj9zk+XdZ/TyIXOOB8TF7A7Kv y48RNoCQ==; Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1s5Ygh-000000044WW-2w7P; Fri, 10 May 2024 22:25:59 +0000 Date: Fri, 10 May 2024 23:25:59 +0100 From: Matthew Wilcox To: hare@kernel.org Cc: Andrew Morton , Pankaj Raghav , Luis Chamberlain , linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, Hannes Reinecke Subject: Re: [PATCH 3/5] block/bdev: lift restrictions on supported blocksize Message-ID: References: <20240510102906.51844-1-hare@kernel.org> <20240510102906.51844-4-hare@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240510102906.51844-4-hare@kernel.org> 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 Fri, May 10, 2024 at 12:29:04PM +0200, hare@kernel.org wrote: > From: Hannes Reinecke > > We now can support blocksizes larger than PAGE_SIZE, so lift > the restriction. Do we need to make this conditional on a CONFIG option? Not all architectures support THP yet ... which means they don't support large folios. We should fix that, but it is well below the cutoff line on my todo list.