tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.dcache head: f700b37a0dc21ad5e0b5e8e947659f230fd4984c commit: b609ffae6e69afeb1955526ff06c57795964b362 [16/23] split d_path() and friends into a separate file config: sparc64-allnoconfig (attached as .config) compiler: sparc64-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 git checkout b609ffae6e69afeb1955526ff06c57795964b362 # save the attached .config to linux build tree make.cross ARCH=sparc64 All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/aio_abi.h:31:0, from include/linux/syscalls.h:72, from fs/d_path.c:2: fs/d_path.c: In function 'SYSC_getcwd': >> include/linux/fs.h:2426:22: error: implicit declaration of function 'kmem_cache_alloc'; did you mean 'prom_early_alloc'? [-Werror=implicit-function-declaration] #define __getname() kmem_cache_alloc(names_cachep, GFP_KERNEL) ^ >> fs/d_path.c:426:15: note: in expansion of macro '__getname' char *page = __getname(); ^~~~~~~~~ >> include/linux/fs.h:2426:22: warning: initialization makes pointer from integer without a cast [-Wint-conversion] #define __getname() kmem_cache_alloc(names_cachep, GFP_KERNEL) ^ >> fs/d_path.c:426:15: note: in expansion of macro '__getname' char *page = __getname(); ^~~~~~~~~ >> include/linux/fs.h:2427:26: error: implicit declaration of function 'kmem_cache_free'; did you mean 'vmem_altmap_free'? [-Werror=implicit-function-declaration] #define __putname(name) kmem_cache_free(names_cachep, (void *)(name)) ^ >> fs/d_path.c:466:2: note: in expansion of macro '__putname' __putname(page); ^~~~~~~~~ cc1: some warnings being treated as errors vim +2426 include/linux/fs.h b86c089b Christoph Lameter 2006-12-06 2425 a608ca21 Jeff Layton 2012-10-10 @2426 #define __getname() kmem_cache_alloc(names_cachep, GFP_KERNEL) ^1da177e Linus Torvalds 2005-04-16 @2427 #define __putname(name) kmem_cache_free(names_cachep, (void *)(name)) ^1da177e Linus Torvalds 2005-04-16 2428 :::::: The code at line 2426 was first introduced by commit :::::: a608ca21f58ee44df5a71ba140e98498f3ebc2cd vfs: allocate page instead of names_cache buffer in mount_block_root :::::: TO: Jeff Layton <jlayton@xxxxxxxxxx> :::::: CC: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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