Hi Sourabh, kernel test robot noticed the following build errors:
[auto build test ERROR on powerpc/next] [also build test ERROR on powerpc/fixes linus/master v6.18-rc2 next-20251022] [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/Sourabh-Jain/powerpc-kdump-Add-support-for-crashkernel-CMA-reservation/20251022-182711 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/20251022102531.657147-1-sourabhjain%40linux.ibm.com patch subject: [PATCH] powerpc/kdump: Add support for crashkernel CMA reservation config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20251023/[email protected]/config) compiler: powerpc-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251023/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): arch/powerpc/kernel/setup-common.c: In function 'setup_arch': >> arch/powerpc/kernel/setup-common.c:1004:9: error: implicit declaration of >> function 'kdump_cma_reserve'; did you mean 'kvm_cma_reserve'? >> [-Wimplicit-function-declaration] 1004 | kdump_cma_reserve(); | ^~~~~~~~~~~~~~~~~ | kvm_cma_reserve vim +1004 arch/powerpc/kernel/setup-common.c 976 977 /* Print various info about the machine that has been gathered so far. */ 978 print_system_info(); 979 980 klp_init_thread_info(&init_task); 981 982 setup_initial_init_mm(_stext, _etext, _edata, _end); 983 /* sched_init() does the mmgrab(&init_mm) for the primary CPU */ 984 VM_WARN_ON(cpumask_test_cpu(smp_processor_id(), mm_cpumask(&init_mm))); 985 cpumask_set_cpu(smp_processor_id(), mm_cpumask(&init_mm)); 986 inc_mm_active_cpus(&init_mm); 987 mm_iommu_init(&init_mm); 988 989 irqstack_early_init(); 990 exc_lvl_early_init(); 991 emergency_stack_init(); 992 993 mce_init(); 994 smp_release_cpus(); 995 996 initmem_init(); 997 998 /* 999 * Reserve large chunks of memory for use by CMA for kdump, fadump, KVM and 1000 * hugetlb. These must be called after initmem_init(), so that 1001 * pageblock_order is initialised. 1002 */ 1003 fadump_cma_init(); > 1004 kdump_cma_reserve(); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
