Hi Dennis, [auto build test ERROR on percpu/for-next] [also build test ERROR on v4.13-rc1 next-20170714] [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/Dennis-Zhou/percpu-replace-percpu-area-map-allocator-with-bitmap-allocator/20170716-103337 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All error/warnings (new ones prefixed by >>): In file included from include/linux/percpu.h:9:0, from include/linux/percpu-rwsem.h:6, from include/linux/fs.h:30, from fs/affs/affs.h:8, from fs/affs/namei.c:11: include/linux/percpu.h: In function 'pcpu_align_reserved_region': >> include/linux/pfn.h:17:46: error: 'PAGE_SIZE' undeclared (first use in this function) #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ include/linux/pfn.h:17:46: note: each undeclared identifier is reported only once for each function it appears in #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ >> include/linux/pfn.h:17:64: error: 'PAGE_MASK' undeclared (first use in this function) #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ -- In file included from include/linux/percpu.h:9:0, from include/linux/percpu-rwsem.h:6, from include/linux/fs.h:30, from fs/ocfs2/file.c:27: include/linux/percpu.h: In function 'pcpu_align_reserved_region': >> include/linux/pfn.h:17:46: error: 'PAGE_SIZE' undeclared (first use in this function) #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ include/linux/pfn.h:17:46: note: each undeclared identifier is reported only once for each function it appears in #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ >> include/linux/pfn.h:17:64: error: 'PAGE_MASK' undeclared (first use in this function) #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ In file included from arch/xtensa/include/asm/atomic.h:21:0, from include/linux/atomic.h:4, from include/linux/debug_locks.h:5, from include/linux/lockdep.h:25, from include/linux/spinlock_types.h:18, from include/linux/spinlock.h:81, from include/linux/wait.h:8, from include/linux/fs.h:5, from fs/ocfs2/file.c:27: fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': arch/xtensa/include/asm/cmpxchg.h:139:3: warning: value computed is not used [-Wunused-value] ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) ^ fs/ocfs2/file.c:2341:3: note: in expansion of macro 'xchg' xchg(&iocb->ki_complete, saved_ki_complete); ^ -- In file included from include/linux/percpu.h:9:0, from include/linux/context_tracking_state.h:4, from include/linux/vtime.h:4, from include/linux/hardirq.h:7, from include/linux/interrupt.h:12, from drivers/scsi/sym53c8xx_2/sym_glue.h:45, from drivers/scsi/sym53c8xx_2/sym_fw.c:40: include/linux/percpu.h: In function 'pcpu_align_reserved_region': >> include/linux/pfn.h:17:46: error: 'PAGE_SIZE' undeclared (first use in this function) #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ include/linux/pfn.h:17:46: note: each undeclared identifier is reported only once for each function it appears in #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ >> include/linux/pfn.h:17:64: error: 'PAGE_MASK' undeclared (first use in this function) #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ^ >> include/linux/percpu.h:159:9: note: in expansion of macro 'PFN_ALIGN' return PFN_ALIGN(static_size + reserved_size) - static_size; ^ In file included from drivers/scsi/sym53c8xx_2/sym_glue.h:64:0, from drivers/scsi/sym53c8xx_2/sym_fw.c:40: drivers/scsi/sym53c8xx_2/sym_defs.h: At top level: drivers/scsi/sym53c8xx_2/sym_defs.h:109:0: warning: "WSR" redefined #define WSR 0x01 /* sta: wide scsi received [W]*/ ^ In file included from arch/xtensa/include/asm/bitops.h:22:0, from include/linux/bitops.h:36, from include/linux/kernel.h:10, from include/linux/list.h:8, from include/linux/wait.h:6, from include/linux/completion.h:11, from drivers/scsi/sym53c8xx_2/sym_glue.h:43, from drivers/scsi/sym53c8xx_2/sym_fw.c:40: arch/xtensa/include/asm/processor.h:227:0: note: this is the location of the previous definition #define WSR(v,sr) __asm__ __volatile__ ("wsr %0,"__stringify(sr) :: "a"(v)); ^ vim +/PAGE_SIZE +17 include/linux/pfn.h 947d0496 Jeremy Fitzhardinge 2008-09-11 16 22a9835c Dave Hansen 2006-03-27 @17 #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) 22a9835c Dave Hansen 2006-03-27 18 #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) 22a9835c Dave Hansen 2006-03-27 19 #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 947d0496 Jeremy Fitzhardinge 2008-09-11 20 #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) 8f235d1a Chen Gang 2016-01-14 21 #define PHYS_PFN(x) ((unsigned long)((x) >> PAGE_SHIFT)) 22a9835c Dave Hansen 2006-03-27 22 :::::: The code at line 17 was first introduced by commit :::::: 22a9835c350782a5c3257343713932af3ac92ee0 [PATCH] unify PFN_* macros :::::: TO: Dave Hansen :::::: CC: Linus Torvalds --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation