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Message-ID: <201708040055.PD7ivXi3%fengguang.wu@intel.com>
Date:   Fri, 4 Aug 2017 00:40:59 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Nadav Amit <namit@...are.com>
Cc:     kbuild-all@...org, linux-mm@...ck.org, nadav.amit@...il.com,
        linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        Minchan Kim <minchan@...nel.org>, Nadav Amit <namit@...are.com>
Subject: Re: [PATCH v6 5/7] mm: make tlb_flush_pending global

Hi Minchan,

[auto build test WARNING on linus/master]
[also build test WARNING on v4.13-rc3]
[cannot apply to next-20170803]
[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/Nadav-Amit/mm-migrate-prevent-racy-access-to-tlb_flush_pending/20170802-205715
config: x86_64-randconfig-a0-08032207 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   mm/debug.c: In function 'dump_mm':
>> mm/debug.c:102: warning: format '%#lx' expects type 'long unsigned int', but argument 40 has type 'int'
>> mm/debug.c:102: warning: format '%p' expects type 'void *', but argument 41 has type 'long unsigned int'
   mm/debug.c:102: warning: too many arguments for format

vim +102 mm/debug.c

82742a3a5 Sasha Levin           2014-10-09   99  
31c9afa6d Sasha Levin           2014-10-09  100  void dump_mm(const struct mm_struct *mm)
31c9afa6d Sasha Levin           2014-10-09  101  {
7a82ca0d6 Andrew Morton         2014-10-09 @102  	pr_emerg("mm %p mmap %p seqnum %d task_size %lu\n"
31c9afa6d Sasha Levin           2014-10-09  103  #ifdef CONFIG_MMU
31c9afa6d Sasha Levin           2014-10-09  104  		"get_unmapped_area %p\n"
31c9afa6d Sasha Levin           2014-10-09  105  #endif
31c9afa6d Sasha Levin           2014-10-09  106  		"mmap_base %lu mmap_legacy_base %lu highest_vm_end %lu\n"
dc6c9a35b Kirill A. Shutemov    2015-02-11  107  		"pgd %p mm_users %d mm_count %d nr_ptes %lu nr_pmds %lu map_count %d\n"
31c9afa6d Sasha Levin           2014-10-09  108  		"hiwater_rss %lx hiwater_vm %lx total_vm %lx locked_vm %lx\n"
846383359 Konstantin Khlebnikov 2016-01-14  109  		"pinned_vm %lx data_vm %lx exec_vm %lx stack_vm %lx\n"
31c9afa6d Sasha Levin           2014-10-09  110  		"start_code %lx end_code %lx start_data %lx end_data %lx\n"
31c9afa6d Sasha Levin           2014-10-09  111  		"start_brk %lx brk %lx start_stack %lx\n"
31c9afa6d Sasha Levin           2014-10-09  112  		"arg_start %lx arg_end %lx env_start %lx env_end %lx\n"
31c9afa6d Sasha Levin           2014-10-09  113  		"binfmt %p flags %lx core_state %p\n"
31c9afa6d Sasha Levin           2014-10-09  114  #ifdef CONFIG_AIO
31c9afa6d Sasha Levin           2014-10-09  115  		"ioctx_table %p\n"
31c9afa6d Sasha Levin           2014-10-09  116  #endif
31c9afa6d Sasha Levin           2014-10-09  117  #ifdef CONFIG_MEMCG
31c9afa6d Sasha Levin           2014-10-09  118  		"owner %p "
31c9afa6d Sasha Levin           2014-10-09  119  #endif
31c9afa6d Sasha Levin           2014-10-09  120  		"exe_file %p\n"
31c9afa6d Sasha Levin           2014-10-09  121  #ifdef CONFIG_MMU_NOTIFIER
31c9afa6d Sasha Levin           2014-10-09  122  		"mmu_notifier_mm %p\n"
31c9afa6d Sasha Levin           2014-10-09  123  #endif
31c9afa6d Sasha Levin           2014-10-09  124  #ifdef CONFIG_NUMA_BALANCING
31c9afa6d Sasha Levin           2014-10-09  125  		"numa_next_scan %lu numa_scan_offset %lu numa_scan_seq %d\n"
31c9afa6d Sasha Levin           2014-10-09  126  #endif
31c9afa6d Sasha Levin           2014-10-09  127  #if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION)
31c9afa6d Sasha Levin           2014-10-09  128  		"tlb_flush_pending %d\n"
31c9afa6d Sasha Levin           2014-10-09  129  #endif
b8eceeb99 Vlastimil Babka       2016-03-15  130  		"def_flags: %#lx(%pGv)\n",
31c9afa6d Sasha Levin           2014-10-09  131  
31c9afa6d Sasha Levin           2014-10-09  132  		mm, mm->mmap, mm->vmacache_seqnum, mm->task_size,
31c9afa6d Sasha Levin           2014-10-09  133  #ifdef CONFIG_MMU
31c9afa6d Sasha Levin           2014-10-09  134  		mm->get_unmapped_area,
31c9afa6d Sasha Levin           2014-10-09  135  #endif
31c9afa6d Sasha Levin           2014-10-09  136  		mm->mmap_base, mm->mmap_legacy_base, mm->highest_vm_end,
31c9afa6d Sasha Levin           2014-10-09  137  		mm->pgd, atomic_read(&mm->mm_users),
31c9afa6d Sasha Levin           2014-10-09  138  		atomic_read(&mm->mm_count),
31c9afa6d Sasha Levin           2014-10-09  139  		atomic_long_read((atomic_long_t *)&mm->nr_ptes),
dc6c9a35b Kirill A. Shutemov    2015-02-11  140  		mm_nr_pmds((struct mm_struct *)mm),
31c9afa6d Sasha Levin           2014-10-09  141  		mm->map_count,
31c9afa6d Sasha Levin           2014-10-09  142  		mm->hiwater_rss, mm->hiwater_vm, mm->total_vm, mm->locked_vm,
846383359 Konstantin Khlebnikov 2016-01-14  143  		mm->pinned_vm, mm->data_vm, mm->exec_vm, mm->stack_vm,
31c9afa6d Sasha Levin           2014-10-09  144  		mm->start_code, mm->end_code, mm->start_data, mm->end_data,
31c9afa6d Sasha Levin           2014-10-09  145  		mm->start_brk, mm->brk, mm->start_stack,
31c9afa6d Sasha Levin           2014-10-09  146  		mm->arg_start, mm->arg_end, mm->env_start, mm->env_end,
31c9afa6d Sasha Levin           2014-10-09  147  		mm->binfmt, mm->flags, mm->core_state,
31c9afa6d Sasha Levin           2014-10-09  148  #ifdef CONFIG_AIO
31c9afa6d Sasha Levin           2014-10-09  149  		mm->ioctx_table,
31c9afa6d Sasha Levin           2014-10-09  150  #endif
31c9afa6d Sasha Levin           2014-10-09  151  #ifdef CONFIG_MEMCG
31c9afa6d Sasha Levin           2014-10-09  152  		mm->owner,
31c9afa6d Sasha Levin           2014-10-09  153  #endif
31c9afa6d Sasha Levin           2014-10-09  154  		mm->exe_file,
31c9afa6d Sasha Levin           2014-10-09  155  #ifdef CONFIG_MMU_NOTIFIER
31c9afa6d Sasha Levin           2014-10-09  156  		mm->mmu_notifier_mm,
31c9afa6d Sasha Levin           2014-10-09  157  #endif
31c9afa6d Sasha Levin           2014-10-09  158  #ifdef CONFIG_NUMA_BALANCING
31c9afa6d Sasha Levin           2014-10-09  159  		mm->numa_next_scan, mm->numa_scan_offset, mm->numa_scan_seq,
31c9afa6d Sasha Levin           2014-10-09  160  #endif
fd2fc6e1f Nadav Amit            2017-08-01  161  		atomic_read(&mm->tlb_flush_pending),
b8eceeb99 Vlastimil Babka       2016-03-15  162  		mm->def_flags, &mm->def_flags
31c9afa6d Sasha Levin           2014-10-09  163  	);
31c9afa6d Sasha Levin           2014-10-09  164  }
31c9afa6d Sasha Levin           2014-10-09  165  

:::::: The code at line 102 was first introduced by commit
:::::: 7a82ca0d6437261d0727ce472ae4f3a05a9ce5f7 mm/debug.c: use pr_emerg()

:::::: TO: Andrew Morton <akpm@...ux-foundation.org>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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