[openeuler:openEuler-1.0-LTS 18175/23123] mm/debug.c:174:3: warning: format specifies type 'void *' but the argument has type 'int'
Hi Ding, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: c55d99182a85f38a964fe23a2db2ddf42739a151 commit: 2d2fe6b40444bd8f84f674930ac5f98a6314702e [18175/23123] ascend: mm: add an owner for mm_struct config: x86_64-randconfig-005-20240420 compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202406301633.FxUsZ9QE-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/debug.c:14: In file included from include/linux/migrate.h:6: In file included from include/linux/mempolicy.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/debug.c:174:3: warning: format specifies type 'void *' but the argument has type 'int' [-Wformat] 135 | atomic_read(&mm->tlb_flush_pending), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:342:35: note: expanded from macro 'pr_emerg' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ mm/debug.c:175:3: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat] 142 | mm->def_flags, &mm->def_flags | ^~~~~~~~~~~~~ include/linux/printk.h:342:35: note: expanded from macro 'pr_emerg' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ mm/debug.c:175:18: warning: format specifies type 'unsigned long' but the argument has type 'const unsigned long *' [-Wformat] 143 | mm->def_flags, &mm->def_flags | ^~~~~~~~~~~~~~ include/linux/printk.h:342:35: note: expanded from macro 'pr_emerg' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ mm/debug.c:143:21: warning: more '%' conversions than data arguments [-Wformat-insufficient-args] 143 | "def_flags: %#lx(%pGv)\n", | ~^ include/linux/printk.h:342:27: note: expanded from macro 'pr_emerg' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~ include/linux/printk.h:332:21: note: expanded from macro 'pr_fmt' 332 | #define pr_fmt(fmt) fmt | ^~~ 5 warnings generated.
vim +174 mm/debug.c 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 @14 #include <linux/migrate.h> 4e462112e98f9ad Vlastimil Babka 2016-03-15 15 #include <linux/page_owner.h> 82742a3a5152195 Sasha Levin 2014-10-09 16 edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 17 #include "internal.h" edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 18 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 19 char *migrate_reason_names[MR_TYPES] = { 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 20 "compaction", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 21 "memory_failure", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 22 "memory_hotplug", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 23 "syscall_or_cpuset", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 24 "mempolicy_mbind", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 25 "numa_misplaced", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 26 "cma", 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 27 }; 7cd12b4abfd2f8f Vlastimil Babka 2016-03-15 28 edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 29 const struct trace_print_flags pageflag_names[] = { edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 30 __def_pageflag_names, edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 31 {0, NULL} edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 32 }; edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 33 edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 34 const struct trace_print_flags gfpflag_names[] = { edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 35 __def_gfpflag_names, edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 36 {0, NULL} 420adbe9fc1a451 Vlastimil Babka 2016-03-15 37 }; 420adbe9fc1a451 Vlastimil Babka 2016-03-15 38 edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 39 const struct trace_print_flags vmaflag_names[] = { edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 40 __def_vmaflag_names, edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 41 {0, NULL} 82742a3a5152195 Sasha Levin 2014-10-09 42 }; 82742a3a5152195 Sasha Levin 2014-10-09 43 ff8e81163889ac4 Vlastimil Babka 2016-03-15 44 void __dump_page(struct page *page, const char *reason) 82742a3a5152195 Sasha Levin 2014-10-09 45 { fc36def997cfd6c Pavel Tatashin 2018-07-03 46 bool page_poisoned = PagePoisoned(page); fc36def997cfd6c Pavel Tatashin 2018-07-03 47 int mapcount; fc36def997cfd6c Pavel Tatashin 2018-07-03 48 fc36def997cfd6c Pavel Tatashin 2018-07-03 49 /* fc36def997cfd6c Pavel Tatashin 2018-07-03 50 * If struct page is poisoned don't access Page*() functions as that fc36def997cfd6c Pavel Tatashin 2018-07-03 51 * leads to recursive loop. Page*() check for poisoned pages, and calls fc36def997cfd6c Pavel Tatashin 2018-07-03 52 * dump_page() when detected. fc36def997cfd6c Pavel Tatashin 2018-07-03 53 */ fc36def997cfd6c Pavel Tatashin 2018-07-03 54 if (page_poisoned) { fc36def997cfd6c Pavel Tatashin 2018-07-03 55 pr_emerg("page:%px is uninitialized and poisoned", page); fc36def997cfd6c Pavel Tatashin 2018-07-03 56 goto hex_only; fc36def997cfd6c Pavel Tatashin 2018-07-03 57 } fc36def997cfd6c Pavel Tatashin 2018-07-03 58 9996f05eac09815 Kirill A. Shutemov 2016-10-07 59 /* 9996f05eac09815 Kirill A. Shutemov 2016-10-07 60 * Avoid VM_BUG_ON() in page_mapcount(). 9996f05eac09815 Kirill A. Shutemov 2016-10-07 61 * page->_mapcount space in struct page is used by sl[aou]b pages to 9996f05eac09815 Kirill A. Shutemov 2016-10-07 62 * encode own info. 9996f05eac09815 Kirill A. Shutemov 2016-10-07 63 */ fc36def997cfd6c Pavel Tatashin 2018-07-03 64 mapcount = PageSlab(page) ? 0 : page_mapcount(page); 4d35427ad7641cb Kirill A. Shutemov 2016-09-19 65 152a2d199e1385c Matthew Wilcox 2018-01-04 66 pr_emerg("page:%px count:%d mapcount:%d mapping:%px index:%#lx", 4d35427ad7641cb Kirill A. Shutemov 2016-09-19 67 page, page_ref_count(page), mapcount, 4d35427ad7641cb Kirill A. Shutemov 2016-09-19 68 page->mapping, page_to_pgoff(page)); 53f9263baba69fc Kirill A. Shutemov 2016-01-15 69 if (PageCompound(page)) 53f9263baba69fc Kirill A. Shutemov 2016-01-15 70 pr_cont(" compound_mapcount: %d", compound_mapcount(page)); 53f9263baba69fc Kirill A. Shutemov 2016-01-15 71 pr_cont("\n"); edf14cdbf9a0e5a Vlastimil Babka 2016-03-15 72 BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS + 1); ff8e81163889ac4 Vlastimil Babka 2016-03-15 73 b8eceeb99014cf5 Vlastimil Babka 2016-03-15 74 pr_emerg("flags: %#lx(%pGp)\n", page->flags, &page->flags); b8eceeb99014cf5 Vlastimil Babka 2016-03-15 75 fc36def997cfd6c Pavel Tatashin 2018-07-03 76 hex_only: 46e8a3a08c23d07 Vlastimil Babka 2016-12-12 77 print_hex_dump(KERN_ALERT, "raw: ", DUMP_PREFIX_NONE, 32, 46e8a3a08c23d07 Vlastimil Babka 2016-12-12 78 sizeof(unsigned long), page, 46e8a3a08c23d07 Vlastimil Babka 2016-12-12 79 sizeof(struct page), false); 46e8a3a08c23d07 Vlastimil Babka 2016-12-12 80 82742a3a5152195 Sasha Levin 2014-10-09 81 if (reason) 82742a3a5152195 Sasha Levin 2014-10-09 82 pr_alert("page dumped because: %s\n", reason); b8eceeb99014cf5 Vlastimil Babka 2016-03-15 83 9edad6ea0f14164 Johannes Weiner 2014-12-10 84 #ifdef CONFIG_MEMCG fc36def997cfd6c Pavel Tatashin 2018-07-03 85 if (!page_poisoned && page->mem_cgroup) 152a2d199e1385c Matthew Wilcox 2018-01-04 86 pr_alert("page->mem_cgroup:%px\n", page->mem_cgroup); 9edad6ea0f14164 Johannes Weiner 2014-12-10 87 #endif 82742a3a5152195 Sasha Levin 2014-10-09 88 } 82742a3a5152195 Sasha Levin 2014-10-09 89 82742a3a5152195 Sasha Levin 2014-10-09 90 void dump_page(struct page *page, const char *reason) 82742a3a5152195 Sasha Levin 2014-10-09 91 { ff8e81163889ac4 Vlastimil Babka 2016-03-15 92 __dump_page(page, reason); 4e462112e98f9ad Vlastimil Babka 2016-03-15 93 dump_page_owner(page); 82742a3a5152195 Sasha Levin 2014-10-09 94 } 82742a3a5152195 Sasha Levin 2014-10-09 95 EXPORT_SYMBOL(dump_page); 82742a3a5152195 Sasha Levin 2014-10-09 96 82742a3a5152195 Sasha Levin 2014-10-09 97 #ifdef CONFIG_DEBUG_VM 82742a3a5152195 Sasha Levin 2014-10-09 98 82742a3a5152195 Sasha Levin 2014-10-09 99 void dump_vma(const struct vm_area_struct *vma) 82742a3a5152195 Sasha Levin 2014-10-09 100 { 152a2d199e1385c Matthew Wilcox 2018-01-04 101 pr_emerg("vma %px start %px end %px\n" 152a2d199e1385c Matthew Wilcox 2018-01-04 102 "next %px prev %px mm %px\n" 152a2d199e1385c Matthew Wilcox 2018-01-04 103 "prot %lx anon_vma %px vm_ops %px\n" 152a2d199e1385c Matthew Wilcox 2018-01-04 104 "pgoff %lx file %px private_data %px\n" b8eceeb99014cf5 Vlastimil Babka 2016-03-15 105 "flags: %#lx(%pGv)\n", 82742a3a5152195 Sasha Levin 2014-10-09 106 vma, (void *)vma->vm_start, (void *)vma->vm_end, vma->vm_next, 82742a3a5152195 Sasha Levin 2014-10-09 107 vma->vm_prev, vma->vm_mm, 82742a3a5152195 Sasha Levin 2014-10-09 108 (unsigned long)pgprot_val(vma->vm_page_prot), 82742a3a5152195 Sasha Levin 2014-10-09 109 vma->anon_vma, vma->vm_ops, vma->vm_pgoff, b8eceeb99014cf5 Vlastimil Babka 2016-03-15 110 vma->vm_file, vma->vm_private_data, b8eceeb99014cf5 Vlastimil Babka 2016-03-15 111 vma->vm_flags, &vma->vm_flags); 82742a3a5152195 Sasha Levin 2014-10-09 112 } 82742a3a5152195 Sasha Levin 2014-10-09 113 EXPORT_SYMBOL(dump_vma); 82742a3a5152195 Sasha Levin 2014-10-09 114 31c9afa6db122a5 Sasha Levin 2014-10-09 115 void dump_mm(const struct mm_struct *mm) 31c9afa6db122a5 Sasha Levin 2014-10-09 116 { 7a9cdebdcc17e42 Linus Torvalds 2018-09-12 117 pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 118 #ifdef CONFIG_MMU 152a2d199e1385c Matthew Wilcox 2018-01-04 119 "get_unmapped_area %px\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 120 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 121 "mmap_base %lu mmap_legacy_base %lu highest_vm_end %lu\n" 152a2d199e1385c Matthew Wilcox 2018-01-04 122 "pgd %px mm_users %d mm_count %d pgtables_bytes %lu map_count %d\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 123 "hiwater_rss %lx hiwater_vm %lx total_vm %lx locked_vm %lx\n" 84638335900f199 Konstantin Khlebnikov 2016-01-14 124 "pinned_vm %lx data_vm %lx exec_vm %lx stack_vm %lx\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 125 "start_code %lx end_code %lx start_data %lx end_data %lx\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 126 "start_brk %lx brk %lx start_stack %lx\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 127 "arg_start %lx arg_end %lx env_start %lx env_end %lx\n" 152a2d199e1385c Matthew Wilcox 2018-01-04 128 "binfmt %px flags %lx core_state %px\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 129 #ifdef CONFIG_AIO 152a2d199e1385c Matthew Wilcox 2018-01-04 130 "ioctx_table %px\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 131 #endif 2d2fe6b40444bd8 Ding Tianhong 2021-10-30 132 #ifdef CONFIG_MM_OWNER 152a2d199e1385c Matthew Wilcox 2018-01-04 133 "owner %px " 31c9afa6db122a5 Sasha Levin 2014-10-09 134 #endif 152a2d199e1385c Matthew Wilcox 2018-01-04 135 "exe_file %px\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 136 #ifdef CONFIG_MMU_NOTIFIER 152a2d199e1385c Matthew Wilcox 2018-01-04 137 "mmu_notifier_mm %px\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 138 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 139 #ifdef CONFIG_NUMA_BALANCING 31c9afa6db122a5 Sasha Levin 2014-10-09 140 "numa_next_scan %lu numa_scan_offset %lu numa_scan_seq %d\n" 31c9afa6db122a5 Sasha Levin 2014-10-09 141 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 142 "tlb_flush_pending %d\n" b8eceeb99014cf5 Vlastimil Babka 2016-03-15 @143 "def_flags: %#lx(%pGv)\n", 31c9afa6db122a5 Sasha Levin 2014-10-09 144 7a9cdebdcc17e42 Linus Torvalds 2018-09-12 145 mm, mm->mmap, (long long) mm->vmacache_seqnum, mm->task_size, 31c9afa6db122a5 Sasha Levin 2014-10-09 146 #ifdef CONFIG_MMU 31c9afa6db122a5 Sasha Levin 2014-10-09 147 mm->get_unmapped_area, 31c9afa6db122a5 Sasha Levin 2014-10-09 148 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 149 mm->mmap_base, mm->mmap_legacy_base, mm->highest_vm_end, 31c9afa6db122a5 Sasha Levin 2014-10-09 150 mm->pgd, atomic_read(&mm->mm_users), 31c9afa6db122a5 Sasha Levin 2014-10-09 151 atomic_read(&mm->mm_count), af5b0f6a09e42c9 Kirill A. Shutemov 2017-11-15 152 mm_pgtables_bytes(mm), 31c9afa6db122a5 Sasha Levin 2014-10-09 153 mm->map_count, 53f4e528406789b Daniel Jordan 2019-08-14 154 mm->hiwater_rss, mm->hiwater_vm, mm->total_vm, 53f4e528406789b Daniel Jordan 2019-08-14 155 atomic_long_read(&mm->locked_vm), 84638335900f199 Konstantin Khlebnikov 2016-01-14 156 mm->pinned_vm, mm->data_vm, mm->exec_vm, mm->stack_vm, 31c9afa6db122a5 Sasha Levin 2014-10-09 157 mm->start_code, mm->end_code, mm->start_data, mm->end_data, 31c9afa6db122a5 Sasha Levin 2014-10-09 158 mm->start_brk, mm->brk, mm->start_stack, 31c9afa6db122a5 Sasha Levin 2014-10-09 159 mm->arg_start, mm->arg_end, mm->env_start, mm->env_end, 31c9afa6db122a5 Sasha Levin 2014-10-09 160 mm->binfmt, mm->flags, mm->core_state, 31c9afa6db122a5 Sasha Levin 2014-10-09 161 #ifdef CONFIG_AIO 31c9afa6db122a5 Sasha Levin 2014-10-09 162 mm->ioctx_table, 31c9afa6db122a5 Sasha Levin 2014-10-09 163 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 164 #ifdef CONFIG_MEMCG 31c9afa6db122a5 Sasha Levin 2014-10-09 165 mm->owner, 31c9afa6db122a5 Sasha Levin 2014-10-09 166 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 167 mm->exe_file, 31c9afa6db122a5 Sasha Levin 2014-10-09 168 #ifdef CONFIG_MMU_NOTIFIER 31c9afa6db122a5 Sasha Levin 2014-10-09 169 mm->mmu_notifier_mm, 31c9afa6db122a5 Sasha Levin 2014-10-09 170 #endif 31c9afa6db122a5 Sasha Levin 2014-10-09 171 #ifdef CONFIG_NUMA_BALANCING 31c9afa6db122a5 Sasha Levin 2014-10-09 172 mm->numa_next_scan, mm->numa_scan_offset, mm->numa_scan_seq, 31c9afa6db122a5 Sasha Levin 2014-10-09 173 #endif 16af97dc5a89753 Nadav Amit 2017-08-10 @174 atomic_read(&mm->tlb_flush_pending), b8eceeb99014cf5 Vlastimil Babka 2016-03-15 @175 mm->def_flags, &mm->def_flags 31c9afa6db122a5 Sasha Levin 2014-10-09 176 ); 31c9afa6db122a5 Sasha Levin 2014-10-09 177 } 31c9afa6db122a5 Sasha Levin 2014-10-09 178 :::::: The code at line 174 was first introduced by commit :::::: 16af97dc5a8975371a83d9e30a64038b48f40a2d mm: migrate: prevent racy access to tlb_flush_pending :::::: TO: Nadav Amit <nadav.amit@gmail.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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