On Sun, 26 Apr 2020 04:25:54 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 8bdabd09ec86a993419c8c98a4f34c12bc902c6c > commit: d4493a599f1aa34153b047da482cf6419f3c79dc [4466/4894] mm: remove vmalloc_user_node_flags > config: riscv-randconfig-a001-20200426 (attached as .config) > compiler: riscv64-linux-gcc (GCC) 9.3.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout d4493a599f1aa34153b047da482cf6419f3c79dc > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv > > kernel/bpf/syscall.c: In function '__bpf_map_area_alloc': > >> kernel/bpf/syscall.c:305:58: error: 'VMALLOC_END' undeclared (first use in this function); did you mean 'VM_LOCKED'? > 305 | return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END, CONFIG_MMU=n. I guess this will suffice? --- a/arch/riscv/include/asm/pgtable.h~mm-switch-the-test_vmalloc-module-to-use-__vmalloc_node-fix-fix +++ a/arch/riscv/include/asm/pgtable.h @@ -472,9 +472,9 @@ static inline int ptep_clear_flush_young #define PAGE_KERNEL __pgprot(0) #define swapper_pg_dir NULL +#define TASK_SIZE 0xffffffffUL #define VMALLOC_START 0 - -#define TASK_SIZE 0xffffffffUL +#define VMALLOC_END TASK_SIZE #endif /* !CONFIG_MMU */ It could be any value, really - we just need VMALLOC_END there to make the compiler happy.
