Hi Roberto, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.1 next-20190517] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Roberto-Sassu/initramfs-set-extended-attributes/20190518-055846 config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag Reported-by: kbuild test robot All error/warnings (new ones prefixed by >>): init/initramfs.c: In function 'do_readxattrs': init/initramfs.c:437:10: error: implicit declaration of function 'vmalloc'; did you mean 'kvmalloc'? [-Werror=implicit-function-declaration] path = vmalloc(file_entry_size); ^~~~~~~ kvmalloc init/initramfs.c:437:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion] path = vmalloc(file_entry_size); ^ init/initramfs.c:461:3: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration] vfree(path); ^~~~~ kvfree In file included from include/asm-generic/io.h:891:0, from arch/m68k/include/asm/io.h:11, from include/linux/kexec.h:19, from init/initramfs.c:694: include/linux/vmalloc.h: At top level: >> include/linux/vmalloc.h:77:14: error: conflicting types for 'vmalloc' extern void *vmalloc(unsigned long size); ^~~~~~~ init/initramfs.c:437:10: note: previous implicit declaration of 'vmalloc' was here path = vmalloc(file_entry_size); ^~~~~~~ In file included from include/asm-generic/io.h:891:0, from arch/m68k/include/asm/io.h:11, from include/linux/kexec.h:19, from init/initramfs.c:694: >> include/linux/vmalloc.h:102:13: warning: conflicting types for 'vfree' extern void vfree(const void *addr); ^~~~~ init/initramfs.c:461:3: note: previous implicit declaration of 'vfree' was here vfree(path); ^~~~~ cc1: some warnings being treated as errors vim +/vmalloc +77 include/linux/vmalloc.h db64fe02 Nick Piggin 2008-10-18 76 ^1da177e Linus Torvalds 2005-04-16 @77 extern void *vmalloc(unsigned long size); e1ca7788 Dave Young 2010-10-26 78 extern void *vzalloc(unsigned long size); 83342314 Nick Piggin 2006-06-23 79 extern void *vmalloc_user(unsigned long size); 930fc45a Christoph Lameter 2005-10-29 80 extern void *vmalloc_node(unsigned long size, int node); e1ca7788 Dave Young 2010-10-26 81 extern void *vzalloc_node(unsigned long size, int node); ^1da177e Linus Torvalds 2005-04-16 82 extern void *vmalloc_exec(unsigned long size); ^1da177e Linus Torvalds 2005-04-16 83 extern void *vmalloc_32(unsigned long size); 83342314 Nick Piggin 2006-06-23 84 extern void *vmalloc_32_user(unsigned long size); dd0fc66f Al Viro 2005-10-07 85 extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot); d0a21265 David Rientjes 2011-01-13 86 extern void *__vmalloc_node_range(unsigned long size, unsigned long align, d0a21265 David Rientjes 2011-01-13 87 unsigned long start, unsigned long end, gfp_t gfp_mask, cb9e3c29 Andrey Ryabinin 2015-02-13 88 pgprot_t prot, unsigned long vm_flags, int node, cb9e3c29 Andrey Ryabinin 2015-02-13 89 const void *caller); 1f5307b1 Michal Hocko 2017-05-08 90 #ifndef CONFIG_MMU a7c3e901 Michal Hocko 2017-05-08 91 extern void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags); 8594a21c Michal Hocko 2017-05-12 92 static inline void *__vmalloc_node_flags_caller(unsigned long size, int node, 8594a21c Michal Hocko 2017-05-12 93 gfp_t flags, void *caller) 1f5307b1 Michal Hocko 2017-05-08 94 { 8594a21c Michal Hocko 2017-05-12 95 return __vmalloc_node_flags(size, node, flags); 1f5307b1 Michal Hocko 2017-05-08 96 } 8594a21c Michal Hocko 2017-05-12 97 #else 8594a21c Michal Hocko 2017-05-12 98 extern void *__vmalloc_node_flags_caller(unsigned long size, 8594a21c Michal Hocko 2017-05-12 99 int node, gfp_t flags, void *caller); 1f5307b1 Michal Hocko 2017-05-08 100 #endif cb9e3c29 Andrey Ryabinin 2015-02-13 101 b3bdda02 Christoph Lameter 2008-02-04 @102 extern void vfree(const void *addr); bf22e37a Andrey Ryabinin 2016-12-12 103 extern void vfree_atomic(const void *addr); ^1da177e Linus Torvalds 2005-04-16 104 :::::: The code at line 77 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation