tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 888c8375131656144c1605071eab2eb6ac49abc3 commit: 07dff8ae2bc5c3adf387f95c4d6864b1d06866f2 [1761/2084] mm: warn about VmData over RLIMIT_DATA config: frv-defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 07dff8ae2bc5c3adf387f95c4d6864b1d06866f2 # save the attached .config to linux build tree make.cross ARCH=frv All error/warnings (new ones prefixed by >>): In file included from include/linux/mmzone.h:20:0, from include/linux/gfp.h:5, from include/linux/percpu_counter.h:15, from include/linux/quota.h:40, from include/linux/fs.h:268, from include/linux/dax.h:4, from mm/filemap.c:14: mm/internal.h: In function 'is_stack_mapping': >> arch/frv/include/asm/page.h:68:27: error: 'READ_IMPLIES_EXEC' undeclared (first use in this function) ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ ^ >> include/linux/mm.h:200:32: note: in expansion of macro 'VM_DATA_DEFAULT_FLAGS' #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS ^ >> include/linux/mm.h:206:40: note: in expansion of macro 'VM_STACK_DEFAULT_FLAGS' #define VM_STACK_FLAGS (VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) ^ >> mm/internal.h:226:19: note: in expansion of macro 'VM_STACK_FLAGS' return (flags & (VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN))) != 0; ^ arch/frv/include/asm/page.h:68:27: note: each undeclared identifier is reported only once for each function it appears in ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ ^ >> include/linux/mm.h:200:32: note: in expansion of macro 'VM_DATA_DEFAULT_FLAGS' #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS ^ >> include/linux/mm.h:206:40: note: in expansion of macro 'VM_STACK_DEFAULT_FLAGS' #define VM_STACK_FLAGS (VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) ^ >> mm/internal.h:226:19: note: in expansion of macro 'VM_STACK_FLAGS' return (flags & (VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN))) != 0; ^ mm/internal.h: In function 'is_data_mapping': >> arch/frv/include/asm/page.h:68:27: error: 'READ_IMPLIES_EXEC' undeclared (first use in this function) ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ ^ >> include/linux/mm.h:200:32: note: in expansion of macro 'VM_DATA_DEFAULT_FLAGS' #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS ^ >> include/linux/mm.h:206:40: note: in expansion of macro 'VM_STACK_DEFAULT_FLAGS' #define VM_STACK_FLAGS (VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) ^ mm/internal.h:231:20: note: in expansion of macro 'VM_STACK_FLAGS' return (flags & ((VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN)) | ^ vim +/VM_STACK_FLAGS +226 mm/internal.h 210 * use of the result. 211 */ 212 #define page_order_unsafe(page) READ_ONCE(page_private(page)) 213 214 static inline bool is_cow_mapping(vm_flags_t flags) 215 { 216 return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; 217 } 218 219 static inline bool is_exec_mapping(vm_flags_t flags) 220 { 221 return (flags & (VM_EXEC | VM_WRITE)) == VM_EXEC; 222 } 223 224 static inline bool is_stack_mapping(vm_flags_t flags) 225 { > 226 return (flags & (VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN))) != 0; 227 } 228 229 static inline bool is_data_mapping(vm_flags_t flags) 230 { 231 return (flags & ((VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN)) | 232 VM_WRITE | VM_SHARED)) == VM_WRITE; 233 } 234 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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