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bh=tBuKzWjSMLs8UvYBdSDGzOLgtVGDJL5zVZa/hiwcI7Y=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=rmhB919gqmisPXX6gHRY+oQZFyU/szgZjbTc0ox+RrAHTyBXZ1JHeV66GM0B+wVeR 1lzvypLhE5gOdWeXFCWLKqc0jPTeaeQ686SAQcyxCRsikU2PGYnz6buDKNXfKZGgOr OYuwzUfjWWBIpqdwtFXrI3k8H7wmiOxuaUxuDIwM= Date: Wed, 12 Apr 2023 14:06:01 -0700 From: Andrew Morton To: kernel test robot Cc: Alexander Potapenko , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, urezki@gmail.com, hch@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, elver@google.com, dvyukov@google.com, kasan-dev@googlegroups.com, Dipanjan Das Subject: Re: [PATCH 1/2] mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush() Message-Id: <20230412140601.9308b871e38acb842c119478@linux-foundation.org> In-Reply-To: <202304130223.epEIvA1E-lkp@intel.com> References: <20230412145300.3651840-1-glider@google.com> <202304130223.epEIvA1E-lkp@intel.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: b54tojaeryhqjf6zjgcw6tyfpu9f4x34 X-Rspamd-Queue-Id: 3881CA0016 X-HE-Tag: 1681333564-455721 X-HE-Meta: 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 GwmzE477 D4K5v/bTsqWMcoSRRTl9ierbnomgB0kcQasn4iDCZSXYEYTD0bekTCd7V9qxeJ/7Udq1VS8FO0jIWbUEIgAisxuF1qAfPkwBHVr1wd+E7+r3BxdzJx2NbxTEw5XaKlgcSYrc8O6qmleAr13yh5JEHbtk5y55DMhK6LbtjoJB2Z5grfinYdBCxFlDC6bFy5saYoSsztleqVEQTSHz721O/rKRxvUgwXsAY6k6PNhJ8/eU2J45L6FwsVnRLd7sySL1VUYGLCq9kylEqNdlqMzRX9/SCPSeiaGvpZ01ccIRvlp0AGQiLyEgvnlBRs4zXxBn08uMEQnwUaENdE1Q1UFSFvuPR9M9hj/GXjTLyVGCD5y8OqL1bPrNKiJKGMUzA6jWDi/sQd+YmGAWGNiXxl3evH/IsujDAiNcCLC0CLSaUuw8HzQ8euLNDZn22Q4vhNf8cocGlyMjQon8mACVy0bYsKl1jrHMM7VPcMDMRu+PknYfvggA= 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: On Thu, 13 Apr 2023 02:27:19 +0800 kernel test robot wrote: > Hi Alexander, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on akpm-mm/mm-everything] > > >> include/linux/kmsan.h:291:1: error: non-void function does not return a value [-Werror,-Wreturn-type] Thanks, I'll do this: --- a/include/linux/kmsan.h~mm-kmsan-handle-alloc-failures-in-kmsan_ioremap_page_range-fix +++ a/include/linux/kmsan.h @@ -289,6 +289,7 @@ static inline int kmsan_vmap_pages_range struct page **pages, unsigned int page_shift) { + return 0; } static inline void kmsan_vunmap_range_noflush(unsigned long start, _