[kbuild-all] [peterz-queue:mm/tlb 10/10] arch/m68k/include/asm/mcf_pgalloc.h:43:2: error: implicit declaration of function 'tlb_remove_page'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git mm/tlb head: 55e3796107033e2da8c8093a5e6c098e68b9c42c commit: 55e3796107033e2da8c8093a5e6c098e68b9c42c [10/10] m68k/tlb: Fix __p*_free_tlb() config: m68k-randconfig-r006-20200716 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 55e3796107033e2da8c8093a5e6c098e68b9c42c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from arch/m68k/kernel/sys_m68k.c:35: arch/m68k/include/asm/mcf_pgalloc.h: In function '__pte_free_tlb': 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/tlb.h:5, from arch/m68k/kernel/sys_m68k.c:35: include/asm-generic/tlb.h: At top level: 446 | static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from arch/m68k/kernel/sys_m68k.c:35: arch/m68k/include/asm/mcf_pgalloc.h:43:2: note: previous implicit declaration of 'tlb_remove_page' was here 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ arch/m68k/kernel/sys_m68k.c:40:17: warning: no previous prototype for 'sys_mmap2' [-Wmissing-prototypes] 40 | asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, | ^~~~~~~~~ arch/m68k/kernel/sys_m68k.c:378:1: warning: no previous prototype for 'sys_cacheflush' [-Wmissing-prototypes] 378 | sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) | ^~~~~~~~~~~~~~ arch/m68k/kernel/sys_m68k.c:461:1: warning: no previous prototype for 'sys_atomic_cmpxchg_32' [-Wmissing-prototypes] 461 | sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, | ^~~~~~~~~~~~~~~~~~~~~ arch/m68k/kernel/sys_m68k.c:560:16: warning: no previous prototype for 'sys_getpagesize' [-Wmissing-prototypes] 560 | asmlinkage int sys_getpagesize(void) | ^~~~~~~~~~~~~~~ arch/m68k/kernel/sys_m68k.c:565:26: warning: no previous prototype for 'sys_get_thread_area' [-Wmissing-prototypes] 565 | asmlinkage unsigned long sys_get_thread_area(void) | ^~~~~~~~~~~~~~~~~~~ arch/m68k/kernel/sys_m68k.c:570:16: warning: no previous prototype for 'sys_set_thread_area' [-Wmissing-prototypes] 570 | asmlinkage int sys_set_thread_area(unsigned long tp) | ^~~~~~~~~~~~~~~~~~~ arch/m68k/kernel/sys_m68k.c:576:16: warning: no previous prototype for 'sys_atomic_barrier' [-Wmissing-prototypes] 576 | asmlinkage int sys_atomic_barrier(void) | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/rculist.h:10, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/sched/numa_balancing.h:10, from include/trace/events/sched.h:8, from kernel/sched/core.c:10: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/bug.h:32, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/preempt.h:5, from ./arch/m68k/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from arch/m68k/include/asm/irqflags.h:6, from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/rcupdate.h:25, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/sched/numa_balancing.h:10, from include/trace/events/sched.h:8, from kernel/sched/core.c:10: include/linux/dma-mapping.h: In function 'dma_map_resource': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/asm-generic/bug.h:145:27: note: in definition of macro 'WARN_ON_ONCE' 145 | int __ret_warn_once = !!(condition); \ | ^~~~~~~~~ arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid' 170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) | ^~~~~~~~~~~~~~~ include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid' 352 | if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr)))) | ^~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/core.c:13: arch/m68k/include/asm/mcf_pgalloc.h: In function '__pte_free_tlb': 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/core.c:13: include/asm-generic/tlb.h: At top level: 446 | static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/core.c:13: arch/m68k/include/asm/mcf_pgalloc.h:43:2: note: previous implicit declaration of 'tlb_remove_page' was here 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/rculist.h:10, from include/linux/pid.h:5, from include/linux/sched.h:14, from kernel/sched/sched.h:5, from kernel/sched/fair.c:23: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/bug.h:32, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/preempt.h:5, from ./arch/m68k/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from arch/m68k/include/asm/irqflags.h:6, from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/rcupdate.h:25, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from kernel/sched/sched.h:5, from kernel/sched/fair.c:23: include/linux/dma-mapping.h: In function 'dma_map_resource': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/asm-generic/bug.h:145:27: note: in definition of macro 'WARN_ON_ONCE' 145 | int __ret_warn_once = !!(condition); \ | ^~~~~~~~~ arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid' 170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) | ^~~~~~~~~~~~~~~ include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid' 352 | if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr)))) | ^~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/fair.c:23: arch/m68k/include/asm/mcf_pgalloc.h: In function '__pte_free_tlb': 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/fair.c:23: include/asm-generic/tlb.h: At top level: 446 | static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/fair.c:23: arch/m68k/include/asm/mcf_pgalloc.h:43:2: note: previous implicit declaration of 'tlb_remove_page' was here 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ kernel/sched/fair.c:5360:6: warning: no previous prototype for 'init_cfs_bandwidth' [-Wmissing-prototypes] 5360 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11091:6: warning: no previous prototype for 'free_fair_sched_group' [-Wmissing-prototypes] 11091 | void free_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11093:5: warning: no previous prototype for 'alloc_fair_sched_group' [-Wmissing-prototypes] 11093 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11098:6: warning: no previous prototype for 'online_fair_sched_group' [-Wmissing-prototypes] 11098 | void online_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11100:6: warning: no previous prototype for 'unregister_fair_sched_group' [-Wmissing-prototypes] 11100 | void unregister_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/rculist.h:10, from include/linux/pid.h:5, from include/linux/sched.h:14, from kernel/sched/sched.h:5, from kernel/sched/rt.c:6: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/bug.h:32, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/preempt.h:5, from ./arch/m68k/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from arch/m68k/include/asm/irqflags.h:6, from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/rcupdate.h:25, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from kernel/sched/sched.h:5, from kernel/sched/rt.c:6: include/linux/dma-mapping.h: In function 'dma_map_resource': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/asm-generic/bug.h:145:27: note: in definition of macro 'WARN_ON_ONCE' 145 | int __ret_warn_once = !!(condition); \ | ^~~~~~~~~ arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid' 170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) | ^~~~~~~~~~~~~~~ include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid' 352 | if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr)))) | ^~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/rt.c:6: arch/m68k/include/asm/mcf_pgalloc.h: In function '__pte_free_tlb': 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/rt.c:6: include/asm-generic/tlb.h: At top level: 446 | static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from kernel/sched/sched.h:69, from kernel/sched/rt.c:6: arch/m68k/include/asm/mcf_pgalloc.h:43:2: note: previous implicit declaration of 'tlb_remove_page' was here 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ kernel/sched/rt.c:253:6: warning: no previous prototype for 'free_rt_sched_group' [-Wmissing-prototypes] 253 | void free_rt_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~ kernel/sched/rt.c:255:5: warning: no previous prototype for 'alloc_rt_sched_group' [-Wmissing-prototypes] 255 | int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) | ^~~~~~~~~~~~~~~~~~~~ kernel/sched/rt.c:668:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes] 668 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from mm/oom_kill.c:47: arch/m68k/include/asm/mcf_pgalloc.h: In function '__pte_free_tlb': 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/tlb.h:5, from mm/oom_kill.c:47: include/asm-generic/tlb.h: At top level: 446 | static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/pgalloc.h:12, from include/asm-generic/tlb.h:17, from arch/m68k/include/asm/tlb.h:5, from mm/oom_kill.c:47: arch/m68k/include/asm/mcf_pgalloc.h:43:2: note: previous implicit declaration of 'tlb_remove_page' was here 43 | tlb_remove_page(tlb, page); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/page.h:60, from arch/m68k/include/asm/thread_info.h:6, from include/linux/thread_info.h:38, from include/asm-generic/preempt.h:5, from ./arch/m68k/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from arch/m68k/include/asm/irqflags.h:6, from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/rcupdate.h:25, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from include/linux/oom.h:6, from mm/oom_kill.c:21: mm/internal.h: In function 'mem_map_next': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid' 170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) | ^~~~~~~~~~~~~~~ mm/internal.h:455:8: note: in expansion of macro 'pfn_valid' 455 | if (!pfn_valid(pfn)) | ^~~~~~~~~ cc1: some warnings being treated as errors .. vim +/tlb_remove_page +43 arch/m68k/include/asm/mcf_pgalloc.h 36 37 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable, 38 unsigned long address) 39 { 40 struct page *page = virt_to_page(pgtable); 41 42 pgtable_pte_page_dtor(page); 44 } 45 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org