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Peter Anvin" , Theodore Ts'o , "Jason A. Donenfeld" , Arnd Bergmann , Andrew Morton , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Vincenzo Frascino , Shuah Khan Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v2 07/17] mm: Define VM_DROPPABLE for powerpc/32 Message-ID: <202408261734.UAvnH7Mv-lkp@intel.com> References: <315e3a268b165b6edad7dcb723b0d8a506a56c4e.1724309198.git.christophe.leroy@csgroup.eu> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <315e3a268b165b6edad7dcb723b0d8a506a56c4e.1724309198.git.christophe.leroy@csgroup.eu> Hi Christophe, kernel test robot noticed the following build warnings: [auto build test WARNING on powerpc/next] [also build test WARNING on powerpc/fixes shuah-kselftest/next shuah-kselftest/fixes linus/master v6.11-rc5 next-20240823] [cannot apply to crng-random/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Christophe-Leroy/asm-generic-unaligned-h-Extract-common-header-for-vDSO/20240826-103525 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/315e3a268b165b6edad7dcb723b0d8a506a56c4e.1724309198.git.christophe.leroy%40csgroup.eu patch subject: [PATCH v2 07/17] mm: Define VM_DROPPABLE for powerpc/32 config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240826/202408261734.UAvnH7Mv-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240826/202408261734.UAvnH7Mv-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/202408261734.UAvnH7Mv-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/debug_page_ref.c:6: In file included from include/trace/events/page_ref.h:11: include/trace/events/mmflags.h:168:5: warning: 'VM_DROPPABLE' is not defined, evaluates to 0 [-Wundef] 168 | #if VM_DROPPABLE != VM_NONE | ^ include/trace/events/mmflags.h:168:21: warning: 'VM_NONE' is not defined, evaluates to 0 [-Wundef] 168 | #if VM_DROPPABLE != VM_NONE | ^ In file included from mm/debug_page_ref.c:6: In file included from include/trace/events/page_ref.h:135: In file included from include/trace/define_trace.h:95: In file included from include/trace/events/page_ref.h:11: include/trace/events/mmflags.h:168:5: warning: 'VM_DROPPABLE' is not defined, evaluates to 0 [-Wundef] 168 | #if VM_DROPPABLE != VM_NONE | ^ include/trace/events/mmflags.h:168:21: warning: 'VM_NONE' is not defined, evaluates to 0 [-Wundef] 168 | #if VM_DROPPABLE != VM_NONE | ^ In file included from mm/debug_page_ref.c:6: In file included from include/trace/events/page_ref.h:135: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:94: In file included from include/trace/events/page_ref.h:11: >> include/trace/events/mmflags.h:169:10: warning: 'IF_HAVE_VM_DROPPABLE' macro redefined [-Wmacro-redefined] 169 | # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name}, | ^ include/trace/events/mmflags.h:171:10: note: previous definition is here 171 | # define IF_HAVE_VM_DROPPABLE(flag, name) | ^ 5 warnings generated. vim +/IF_HAVE_VM_DROPPABLE +169 include/trace/events/mmflags.h 7677f7fd8be766 Axel Rasmussen 2021-05-04 167 41e2c674b334ed Christophe Leroy 2024-08-22 @168 #if VM_DROPPABLE != VM_NONE 9651fcedf7b92d Jason A. Donenfeld 2022-12-08 @169 # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name}, 9651fcedf7b92d Jason A. Donenfeld 2022-12-08 170 #else 9651fcedf7b92d Jason A. Donenfeld 2022-12-08 171 # define IF_HAVE_VM_DROPPABLE(flag, name) 9651fcedf7b92d Jason A. Donenfeld 2022-12-08 172 #endif 9651fcedf7b92d Jason A. Donenfeld 2022-12-08 173 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki