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b=SMDd1Sl2gDiqkcGkpasG9q5rUYW/ZH+KeDmVfiWwasTyYVe1CHG0UHj95ptABoGzC NZkfRwI/MddUlG9iq4aNqWixkshRqz6nupTt86/2KmkyH0kSIMEAcsM0mJv99fwg4Q kn3pEY4O+MigkoHHqItE+T3mvNLqBvh2Jx6xBocRgbmUu6L2ISMaiO2yjmqxACsWs1 aNKzaw/bFnP1Jy+OOwRWa03bLiaj0sz5gIF3m8M1DXhP6NBlQISitsMlAWhcFAAK1T ZB+gH+xw6j8qxiykH4n2i13rosSAlhW7nsjm7xAb1B3FcunnQkjxaNkVyQajjZgimT WRJPhNNad6RTg== Date: Mon, 16 Mar 2026 07:12:51 +0000 From: "Lorenzo Stoakes (Oracle)" To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, David Hildenbrand , Andrew Morton , Linux Memory Management List Subject: Re: [akpm-mm:mm-new 378/389] drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations Message-ID: <57eb2d3a-b9e5-49fd-ac71-4d48e444b7b5@lucifer.local> References: <202603161221.qNrB6fVE-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202603161221.qNrB6fVE-lkp@intel.com> X-Rspamd-Queue-Id: B38ED180003 X-Stat-Signature: jjzeerr7nm8gw15kqwkqzt8f8w1hjwed X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1773645175-548939 X-HE-Meta: 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 16, 2026 at 12:20:38PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new > head: c5a81ff6071bcf42531426e6336b5cc424df6e3d > commit: cf0dfae0323aa8b75cee0b94d5c7553b511d7bc3 [378/389] mtdchar: replace deprecated mmap hook with mmap_prepare, clean up > config: arm-randconfig-002-20260316 (https://download.01.org/0day-ci/archive/20260316/202603161221.qNrB6fVE-lkp@intel.com/config) > compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 36041192cf6c9042615c8d2364cacc698ef89865) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260316/202603161221.qNrB6fVE-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202603161221.qNrB6fVE-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > >> drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 1384 | return vma_desc_test_flags(desc, VMA_SHARED_BIT) ? 0 : -EACCES; > | ^ Ack, this should be vma_desc_test_any(). Will fix! > 1 error generated. > > > vim +/vma_desc_test_flags +1384 drivers/mtd/mtdchar.c > > 1375 > 1376 /* > 1377 * set up a mapping for shared memory segments > 1378 */ > 1379 static int mtdchar_mmap_prepare(struct vm_area_desc *desc) > 1380 { > 1381 #ifdef CONFIG_MMU > 1382 return -ENODEV; > 1383 #else > > 1384 return vma_desc_test_flags(desc, VMA_SHARED_BIT) ? 0 : -EACCES; > 1385 #endif > 1386 } > 1387 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki Cheers, Lorenzo