Hi Nicholas, I love your patch! Yet something to improve: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on powerpc/next tip/x86/mm linus/master v5.7-rc1 next-20200413] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/huge-vmalloc-mappings/20200414-031028 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/asm-generic/io.h:887:0, from arch/x86/include/asm/io.h:375, from arch/x86/include/asm/dma.h:13, from include/linux/memblock.h:14, from arch/x86/mm/ioremap.c:10: include/linux/vmalloc.h:94:44: error: unknown type name 'prprot_t'; did you mean 'pgprot_t'? static inline bool arch_vmap_pmd_supported(prprot_t prot) { return false; } ^~~~~~~~ pgprot_t >> arch/x86/mm/ioremap.c:463:6: error: redefinition of 'arch_vmap_p4d_supported' bool arch_vmap_p4d_supported(pgprot_t prot) ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/asm-generic/io.h:887:0, from arch/x86/include/asm/io.h:375, from arch/x86/include/asm/dma.h:13, from include/linux/memblock.h:14, from arch/x86/mm/ioremap.c:10: include/linux/vmalloc.h:92:20: note: previous definition of 'arch_vmap_p4d_supported' was here static inline bool arch_vmap_p4d_supported(pgprot_t prot) { return false; } ^~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/mm/ioremap.c:468:6: error: redefinition of 'arch_vmap_pud_supported' bool arch_vmap_pud_supported(pgprot_t prot) ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/asm-generic/io.h:887:0, from arch/x86/include/asm/io.h:375, from arch/x86/include/asm/dma.h:13, from include/linux/memblock.h:14, from arch/x86/mm/ioremap.c:10: include/linux/vmalloc.h:93:20: note: previous definition of 'arch_vmap_pud_supported' was here static inline bool arch_vmap_pud_supported(pgprot_t prot) { return false; } ^~~~~~~~~~~~~~~~~~~~~~~ vim +/arch_vmap_p4d_supported +463 arch/x86/mm/ioremap.c 462 > 463 bool arch_vmap_p4d_supported(pgprot_t prot) 464 { 465 return 0; 466 } 467 > 468 bool arch_vmap_pud_supported(pgprot_t prot) 469 { 470 #ifdef CONFIG_X86_64 471 return boot_cpu_has(X86_FEATURE_GBPAGES); 472 #else 473 return 0; 474 #endif 475 } 476 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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