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X-CSE-ConnectionGUID: DtB3lTw0R+2z3qbR5SV8Jw== X-CSE-MsgGUID: UeHO0CSNQr6nTHfThLPygQ== X-IronPort-AV: E=McAfee;i="6700,10204,11282"; a="33918606" X-IronPort-AV: E=Sophos;i="6.12,222,1728975600"; d="scan'208";a="33918606" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2024 06:46:51 -0800 X-CSE-ConnectionGUID: orNCXP5iSfORxIjovRQcxQ== X-CSE-MsgGUID: EY2JQNdjRmSVxx2IfMJGSA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,222,1728975600"; d="scan'208";a="95264822" Received: from lkp-server01.sh.intel.com (HELO 82a3f569d0cb) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 10 Dec 2024 06:46:44 -0800 Received: from kbuild by 82a3f569d0cb with local (Exim 4.96) (envelope-from ) id 1tL1VZ-0005fr-2R; Tue, 10 Dec 2024 14:46:41 +0000 Date: Tue, 10 Dec 2024 22:45:54 +0800 From: kernel test robot To: Kalesh Singh , akpm@linux-foundation.org, vbabka@suse.cz, yang@os.amperecomputing.com, riel@surriel.com, david@redhat.com Cc: oe-kbuild-all@lists.linux.dev, linux@armlinux.org.uk, tsbogend@alpha.franken.de, James.Bottomley@hansenpartnership.com, ysato@users.sourceforge.jp, dalias@libc.org, glaubitz@physik.fu-berlin.de, davem@davemloft.net, andreas@gaisler.com, tglx@linutronix.de, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, chris@zankel.net, jcmvbkbc@gmail.com, bhelgaas@google.com, jason.andryuk@amd.com, leitao@debian.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org Subject: Re: [PATCH mm-unstable 13/17] mm: sparc64: Introduce arch_mmap_hint() Message-ID: <202412102215.fF34r4Uo-lkp@intel.com> References: <20241210024119.2488608-14-kaleshsingh@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241210024119.2488608-14-kaleshsingh@google.com> Hi Kalesh, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Kalesh-Singh/mm-Introduce-generic_mmap_hint/20241210-104424 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20241210024119.2488608-14-kaleshsingh%40google.com patch subject: [PATCH mm-unstable 13/17] mm: sparc64: Introduce arch_mmap_hint() config: sparc-randconfig-002-20241210 (https://download.01.org/0day-ci/archive/20241210/202412102215.fF34r4Uo-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241210/202412102215.fF34r4Uo-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/202412102215.fF34r4Uo-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/sparc/kernel/sys_sparc_64.c: In function 'arch_get_unmapped_area': >> arch/sparc/kernel/sys_sparc_64.c:135:13: warning: variable 'do_color_align' set but not used [-Wunused-but-set-variable] 135 | int do_color_align; | ^~~~~~~~~~~~~~ vim +/do_color_align +135 arch/sparc/kernel/sys_sparc_64.c aef9ae8eac4116 arch/sparc/kernel/sys_sparc_64.c Kalesh Singh 2024-12-09 131 25d4054cc97484 arch/sparc/kernel/sys_sparc_64.c Mark Brown 2024-09-04 132 unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, vm_flags_t vm_flags) ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 133 { ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 134 unsigned long task_size = TASK_SIZE; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 @135 int do_color_align; b80fa3cbb78c0f arch/sparc/kernel/sys_sparc_64.c Rick Edgecombe 2024-03-25 136 struct vm_unmapped_area_info info = {}; a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 137 bool file_hugepage = false; a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 138 a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 139 if (filp && is_file_hugepages(filp)) a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 140 file_hugepage = true; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 141 ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 142 if (flags & MAP_FIXED) { ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 143 /* We do not accept a shared mapping if it would violate ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 144 * cache aliasing constraints. ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 145 */ a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 146 if (!file_hugepage && (flags & MAP_SHARED) && ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 147 ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 148 return -EINVAL; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 149 return addr; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 150 } ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 151 ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 152 if (test_thread_flag(TIF_32BIT)) d61e16df940e02 arch/sparc64/kernel/sys_sparc.c David S. Miller 2006-03-17 153 task_size = STACK_TOP32; a91690ddd05ab0 arch/sparc64/kernel/sys_sparc.c David S. Miller 2006-03-17 154 if (unlikely(len > task_size || len >= VA_EXCLUDE_START)) ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 155 return -ENOMEM; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 156 ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 157 do_color_align = 0; a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 158 if ((filp || (flags & MAP_SHARED)) && !file_hugepage) ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 159 do_color_align = 1; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 160 aef9ae8eac4116 arch/sparc/kernel/sys_sparc_64.c Kalesh Singh 2024-12-09 161 addr = arch_mmap_hint(filp, addr, len, pgoff, flags); aef9ae8eac4116 arch/sparc/kernel/sys_sparc_64.c Kalesh Singh 2024-12-09 162 if (addr) ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 163 return addr; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 164 bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 165 info.length = len; bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 166 info.low_limit = TASK_UNMAPPED_BASE; bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 167 info.high_limit = min(task_size, VA_EXCLUDE_START); a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 168 info.align_mask = get_align_mask(filp, flags); a8d457b29b017a arch/sparc/kernel/sys_sparc_64.c Oscar Salvador 2024-10-07 169 if (!file_hugepage) bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 170 info.align_offset = pgoff << PAGE_SHIFT; bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 171 addr = vm_unmapped_area(&info); ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 172 bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 173 if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 174 VM_BUG_ON(addr != -ENOMEM); bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 175 info.low_limit = VA_EXCLUDE_END; bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 176 info.high_limit = task_size; bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 177 addr = vm_unmapped_area(&info); ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 178 } 1363c3cd8603a9 arch/sparc64/kernel/sys_sparc.c Wolfgang Wander 2005-06-21 179 bb64f55019c7b0 arch/sparc/kernel/sys_sparc_64.c Michel Lespinasse 2012-12-11 180 return addr; ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 181 } ^1da177e4c3f41 arch/sparc64/kernel/sys_sparc.c Linus Torvalds 2005-04-16 182 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki