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Fri, 12 Jun 2026 03:30:44 -0700 (PDT) From: Ritesh Harjani (IBM) To: kernel test robot , linux-mm@kvack.org Cc: oe-kbuild-all@lists.linux.dev, Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Andrew Morton , Linux Memory Management List , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , David Hildenbrand , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Sayali Patil Subject: Re: [PATCH v2 3/3] powerpc: Kconfig: Enable THP_SWAP on Book3S64 In-Reply-To: <202606121305.h0cxjhP2-lkp@intel.com> Date: Fri, 12 Jun 2026 12:01:26 +0530 Message-ID: References: <3abf510d24c8ef17bd5e324cccc5e03e548afade.1781170904.git.ritesh.list@gmail.com> <202606121305.h0cxjhP2-lkp@intel.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list kernel test robot writes: > Hi Ritesh, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on akpm-mm/mm-everything] > [also build test WARNING on linux-review/Ritesh-Harjani-IBM/include-linux-swap-h-Remove-unused-leftovers/20260611-111124 next-20260611] > [cannot apply to powerpc/next powerpc/fixes linus/master v7.1-rc7] > [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/Ritesh-Harjani-IBM/mm-swap-make-SWAPFILE_CLUSTER-runtime/20260611-181121 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/3abf510d24c8ef17bd5e324cccc5e03e548afade.1781170904.git.ritesh.list%40gmail.com > patch subject: [PATCH v2 3/3] powerpc: Kconfig: Enable THP_SWAP on Book3S64 > config: arm64-randconfig-r133-20260611 (https://download.01.org/0day-ci/archive/20260612/202606121305.h0cxjhP2-lkp@intel.com/config) > compiler: aarch64-linux-gcc (GCC) 8.5.0 > sparse: v0.6.5-rc1 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260612/202606121305.h0cxjhP2-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/202606121305.h0cxjhP2-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) >>> mm/swapfile.c:133:6: sparse: sparse: symbol 'swap_table_use_page' was not declared. Should it be static? > > vim +/swap_table_use_page +133 mm/swapfile.c > > 131 > 132 unsigned int swap_slots_in_cluster __read_mostly; > > 133 bool swap_table_use_page __read_mostly; > 134 I had noticed this after sending the v2. But by then it was late. Good that the sparse checker caught it. So, I will declare this variable as static - that should fix the sparse warning. I will spin a v3 in sometime with this fixed. -ritesh