Messages in this thread | | | Date | Tue, 17 May 2022 20:44:34 +0800 | From | kernel test robot <> | Subject | [arm-integrator:kernel-in-vmalloc-v5.18-rc1 8/9] arch/arm/mm/mmu.c:1562:13: warning: no previous prototype for function 'vm_reserve_kernel' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1 head: 67a8d6eb3d015908f35d6091c02f17d7c3b55bf3 commit: 52cbc963c5c9daba74109e9782e3487cdf48fe5c [8/9] ARM: Compile the kernel into VMALLOC config: arm-buildonly-randconfig-r002-20220516 (https://download.01.org/0day-ci/archive/20220517/202205172000.5CrHBa46-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 853fa8ee225edf2d0de94b0dcbd31bea916e825e) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=52cbc963c5c9daba74109e9782e3487cdf48fe5c git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.18-rc1 git checkout 52cbc963c5c9daba74109e9782e3487cdf48fe5c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mm/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/arm/mm/mmu.c:118:13: warning: no previous prototype for function 'init_default_cache_policy' [-Wmissing-prototypes] void __init init_default_cache_policy(unsigned long pmd) ^ arch/arm/mm/mmu.c:118:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init init_default_cache_policy(unsigned long pmd) ^ static arch/arm/mm/mmu.c:1161:13: warning: no previous prototype for function 'adjust_lowmem_bounds' [-Wmissing-prototypes] void __init adjust_lowmem_bounds(void) ^ arch/arm/mm/mmu.c:1161:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init adjust_lowmem_bounds(void) ^ static >> arch/arm/mm/mmu.c:1562:13: warning: no previous prototype for function 'vm_reserve_kernel' [-Wmissing-prototypes] void __init vm_reserve_kernel(struct map_desc *md) ^ arch/arm/mm/mmu.c:1562:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init vm_reserve_kernel(struct map_desc *md) ^ static arch/arm/mm/mmu.c:1762:13: warning: no previous prototype for function 'paging_init' [-Wmissing-prototypes] void __init paging_init(const struct machine_desc *mdesc) ^ arch/arm/mm/mmu.c:1762:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init paging_init(const struct machine_desc *mdesc) ^ static arch/arm/mm/mmu.c:1795:13: warning: no previous prototype for function 'early_mm_init' [-Wmissing-prototypes] void __init early_mm_init(const struct machine_desc *mdesc) ^ arch/arm/mm/mmu.c:1795:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init early_mm_init(const struct machine_desc *mdesc) ^ static 5 warnings generated.
vim +/vm_reserve_kernel +1562 arch/arm/mm/mmu.c
1560 1561 /* Reserve memory used by the kernel when placing the kernel inside VMALLOC */ > 1562 void __init vm_reserve_kernel(struct map_desc *md) 1563 { 1564 struct vm_struct *vm; 1565 struct static_vm *svm; 1566 1567 svm = early_alloc(sizeof(*svm)); 1568 1569 vm = &svm->vm; 1570 vm->addr = (void *)(md->virtual & PAGE_MASK); 1571 vm->size = PAGE_ALIGN(md->length + (md->virtual & ~PAGE_MASK)); 1572 vm->phys_addr = __pfn_to_phys(md->pfn); 1573 vm->flags = VM_MAP | VM_ARM_STATIC_MAPPING; 1574 vm->flags |= VM_ARM_MTYPE(md->type); 1575 vm->caller = vm_reserve_kernel; 1576 add_static_vm_early(svm); 1577 } 1578
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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