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]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2A0BC4707C for ; Wed, 10 Jan 2024 12:37:46 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1AC656B0081; Wed, 10 Jan 2024 07:37:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 15CAE6B0083; Wed, 10 Jan 2024 07:37:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 024046B0085; Wed, 10 Jan 2024 07:37:45 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id E4F2B6B0081 for ; Wed, 10 Jan 2024 07:37:45 -0500 (EST) Received: from smtpin29.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id AD141C040D for ; Wed, 10 Jan 2024 12:37:45 +0000 (UTC) X-FDA: 81663352890.29.DF53A2A Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf12.hostedemail.com (Postfix) with ESMTP id 66E8140012 for ; Wed, 10 Jan 2024 12:37:43 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=OjdQmEOL; dmarc=none; spf=none (imf12.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=1704890264; a=rsa-sha256; cv=none; b=eeasEah6jDbvakjbyofZGC8lTE3dNU8ztbKaVjoL/6DwWsr3PXCFnkd7gTPge7dxt9P4Z+ Oo7CFadupnUVAmqqeJWl24zFodjsWEkOi1Srez+lDdSiWOjJkyrKNBnzajrinpdMKqzWy2 x2RV/U34D4rPEbZCImbI2JcUffxWIec= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=OjdQmEOL; dmarc=none; spf=none (imf12.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=1704890264; 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=mD6sHMBYmecsugPR+rqNjdttLVO7dQDyLXBJHfA3g1Q=; b=EjqIOOLXFSpc6uRH+UqZpduvZvBJ/OS1uMXtDmTR6cWXpOw6/CKciYvjb9XL31BnTlNWkD 2F8xSajWWt22xrHiPlONC1suRPqwh/R73YOkPnIWEdxQvfBKj4wTzUJWgWblCZimt8fOxN cmWCQE7fgcDp/Rjw8TS34QWIjSEaiqI= 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=mD6sHMBYmecsugPR+rqNjdttLVO7dQDyLXBJHfA3g1Q=; b=OjdQmEOL6PU8ZoQsQV89vQU3uy xumb/fUI9PdT0ruLFWenL+EFY/R95394WPxc2QNSa6b9+lhiCqIZBbDzz//DCiBhiXjxszhvGAjZK lubqlfezkUxprHvhWFewYjO8MlMwV/8XU0qiMYiHWdWD93q+pm7cSJGaTmC7UhcepH6pQkziFJBwT 9zlq4Vm18d/8ENBIIzB64LPPMc7hWRT75a4nD8cKTMDPldLhwu7kCijfcbGe6gCKSr4DmF4rMUVR+ Z9wPq2/O0uuD9eCs7CXUPNcsIOiJH5ON+eRuVhc1opSoEH66EZS2OkOq4FbVIvqfaCEG4y3+dTzRO HZY7dWJg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1rNXpe-00BQ5T-V6; Wed, 10 Jan 2024 12:37:18 +0000 Date: Wed, 10 Jan 2024 12:37:18 +0000 From: Matthew Wilcox To: Christoph Hellwig Cc: Hugh Dickins , Chandan Babu R , "Darrick J . Wong" , Andrew Morton , David Howells , Jarkko Sakkinen , Dave Hansen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Christian Koenig , Huang Rui , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, x86@kernel.org, linux-sgx@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, keyrings@vger.kernel.org Subject: Re: disable large folios for shmem file used by xfs xfile Message-ID: References: <20240110092109.1950011-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240110092109.1950011-1-hch@lst.de> X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 66E8140012 X-Stat-Signature: zupgrf1n8jq1jhr1rmtpxc1ctpdqhywj X-HE-Tag: 1704890263-600938 X-HE-Meta: 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 0Z0ALNY8 CV2ho78/OR26LKfj1tCPX3FMzcZkO3ibH4938vq0Kq97ugLAFN7G7Va+WktsAy2II3tmOLjBEOvCs9BYtV1hDYtER47yD615yz9fwTrbdtbNPeu433kwWOG8H5L+JqSP+kPixAtW7kWa48bY= 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: List-Subscribe: List-Unsubscribe: On Wed, Jan 10, 2024 at 10:21:07AM +0100, Christoph Hellwig wrote: > Hi all, > > Darrick reported that the fairly new XFS xfile code blows up when force > enabling large folio for shmem. This series fixes this quickly by disabling > large folios for this particular shmem file for now until it can be fixed > properly, which will be a lot more invasive. > > I've added most of you to the CC list as I suspect most other users of > shmem_file_setup and friends will have similar issues. The graphics users _want_ to use large folios. I'm pretty sure they've been tested with this. It's just XFS that didn't know about this feature of shmem.