From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 16 May 2018 04:28:13 -0700 From: Matthew Wilcox To: Christoph Hellwig Cc: Souptick Joarder , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, devel@lists.orangefs.org, ceph-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-mtd@lists.infradead.org, dri-devel@lists.freedesktop.org, lustre-devel@lists.lustre.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org Subject: Re: [PATCH 14/14] mm: turn on vm_fault_t type checking Message-ID: <20180516112813.GC20670@bombadil.infradead.org> References: <20180516054348.15950-1-hch@lst.de> <20180516054348.15950-15-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180516054348.15950-15-hch@lst.de> Sender: owner-linux-mm@kvack.org List-ID: On Wed, May 16, 2018 at 07:43:48AM +0200, Christoph Hellwig wrote: > Switch vm_fault_t to point to an unsigned int with __bіtwise annotations. > This both catches any old ->fault or ->page_mkwrite instance with plain > compiler type checking, as well as finding more intricate problems with > sparse. Come on, Christoph; you know better than this. This patch is completely unreviewable. Split it into one patch per maintainer tree, and in any event, the patch to convert vm_fault_t to an unsigned int should be separated from all the trivial conversions.