[kbuild-all] [tip:tmp.tmp2 267/364] include/linux/numa.h:35:46: error: unknown type name 'u64'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2 head: adcceb5eb7aee38e4a9c15bdf599655f0e1b1324 commit: 7e059d796dca598292ff44d2359c8e16dbc9c96f [267/364] sched/headers, numa: Factor out <linux/numa_types.h> from <linux/numa.h> config: i386-defconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=7e... git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip tmp.tmp2 git checkout 7e059d796dca598292ff44d2359c8e16dbc9c96f # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/md/dm-stats.c:3: 35 | static inline int memory_add_physaddr_to_nid(u64 start) | ^~~ include/linux/numa.h:39:39: error: unknown type name 'u64' 39 | static inline int phys_to_target_node(u64 start) | ^~~ In file included from include/linux/workqueue.h:16, from include/linux/srcu_types.h:20, from include/linux/srcu.h:19, from include/linux/notifier.h:16, from arch/x86/include/asm/uprobes.h:13, from include/linux/uprobes.h:49, from include/linux/mm_types.h:14, from include/linux/mmzone.h:21, from include/linux/gfp.h:7, from include/linux/slab.h:15, from drivers/md/dm-stats.c:4: include/linux/rcuwait.h: In function 'rcuwait_active': include/linux/rcupdate.h:364:9: error: dereferencing pointer to incomplete type 'struct task_struct' 364 | typeof(*p) *_________p1 = (typeof(*p) *__force)READ_ONCE(p); \ | ^ include/linux/rcupdate.h:474:31: note: in expansion of macro '__rcu_access_pointer' 474 | #define rcu_access_pointer(p) __rcu_access_pointer((p), __rcu) | ^~~~~~~~~~~~~~~~~~~~ include/linux/rcuwait.h:33:11: note: in expansion of macro 'rcu_access_pointer' 33 | return !!rcu_access_pointer(w->task); | ^~~~~~~~~~~~~~~~~~ In file included from include/linux/uaccess.h:11, from arch/x86/include/asm/fpu/xstate.h:5, from arch/x86/include/asm/pgtable.h:26, from include/linux/pgtable.h:6, from include/linux/mm.h:35, from drivers/md/dm-stats.c:10: drivers/md/dm-stats.c: At top level: arch/x86/include/asm/uaccess.h:46:20: warning: 'pagefault_disabled' used but never defined 46 | static inline bool pagefault_disabled(void); | ^~~~~~~~~~~~~~~~~~ vim +/u64 +35 include/linux/numa.h a927bd6ba952d1 Dan Williams 2020-11-21 13 a927bd6ba952d1 Dan Williams 2020-11-21 14 #ifndef memory_add_physaddr_to_nid a927bd6ba952d1 Dan Williams 2020-11-21 15 static inline int memory_add_physaddr_to_nid(u64 start) a927bd6ba952d1 Dan Williams 2020-11-21 16 { a927bd6ba952d1 Dan Williams 2020-11-21 17 pr_info_once("Unknown online node for memory at 0x%llx, assuming node 0\n", a927bd6ba952d1 Dan Williams 2020-11-21 18 start); a927bd6ba952d1 Dan Williams 2020-11-21 19 return 0; a927bd6ba952d1 Dan Williams 2020-11-21 20 } a927bd6ba952d1 Dan Williams 2020-11-21 21 #endif a927bd6ba952d1 Dan Williams 2020-11-21 22 #ifndef phys_to_target_node a927bd6ba952d1 Dan Williams 2020-11-21 23 static inline int phys_to_target_node(u64 start) a927bd6ba952d1 Dan Williams 2020-11-21 24 { a927bd6ba952d1 Dan Williams 2020-11-21 25 pr_info_once("Unknown target node for memory at 0x%llx, assuming node 0\n", a927bd6ba952d1 Dan Williams 2020-11-21 26 start); a927bd6ba952d1 Dan Williams 2020-11-21 27 return 0; a927bd6ba952d1 Dan Williams 2020-11-21 28 } a927bd6ba952d1 Dan Williams 2020-11-21 29 #endif a927bd6ba952d1 Dan Williams 2020-11-21 30 #else /* !CONFIG_NUMA */ b2ca916ce392a9 Dan Williams 2020-02-16 31 static inline int numa_map_to_online_node(int node) b2ca916ce392a9 Dan Williams 2020-02-16 32 { b2ca916ce392a9 Dan Williams 2020-02-16 33 return NUMA_NO_NODE; b2ca916ce392a9 Dan Williams 2020-02-16 34 } a927bd6ba952d1 Dan Williams 2020-11-21 @35 static inline int memory_add_physaddr_to_nid(u64 start) a927bd6ba952d1 Dan Williams 2020-11-21 36 { a927bd6ba952d1 Dan Williams 2020-11-21 37 return 0; a927bd6ba952d1 Dan Williams 2020-11-21 38 } a927bd6ba952d1 Dan Williams 2020-11-21 39 static inline int phys_to_target_node(u64 start) a927bd6ba952d1 Dan Williams 2020-11-21 40 { a927bd6ba952d1 Dan Williams 2020-11-21 41 return 0; a927bd6ba952d1 Dan Williams 2020-11-21 42 } b2ca916ce392a9 Dan Williams 2020-02-16 43 #endif b2ca916ce392a9 Dan Williams 2020-02-16 44 :::::: The code at line 35 was first introduced by commit :::::: a927bd6ba952d13c52b8b385030943032f659a3e mm: fix phys_to_target_node() and memory_add_physaddr_to_nid() exports :::::: TO: Dan Williams <dan.j.williams(a)intel.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org