tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: b659edec079c90012cf8d05624e312d1062b8b87 commit: ca39aca8db2d78ff82356defba75d14ce78a67b9 [357/379] mm/vma: track start and end for munmap in vma_munmap_struct config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20240824/202408242304.1A1fXTgE-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240824/202408242304.1A1fXTgE-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408242304.1A1fXTgE-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/internal.h:22, from mm/filemap.c:52: mm/vma.h: In function 'init_vma_munmap': >> mm/vma.h:113:28: error: 'FIRST_USER_ADDRESS' undeclared (first use in this function) 113 | vms->unmap_start = FIRST_USER_ADDRESS; | ^~~~~~~~~~~~~~~~~~ mm/vma.h:113:28: note: each undeclared identifier is reported only once for each function it appears in >> mm/vma.h:114:26: error: 'USER_PGTABLES_CEILING' undeclared (first use in this function) 114 | vms->unmap_end = USER_PGTABLES_CEILING; | ^~~~~~~~~~~~~~~~~~~~~ vim +/FIRST_USER_ADDRESS +113 mm/vma.h 67 68 /* Required for do_brk_flags(). */ 69 void init_vma_prep(struct vma_prepare *vp, 70 struct vm_area_struct *vma); 71 72 /* Required for do_brk_flags(). */ 73 void vma_complete(struct vma_prepare *vp, 74 struct vma_iterator *vmi, struct mm_struct *mm); 75 76 int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma, 77 unsigned long start, unsigned long end, pgoff_t pgoff, 78 struct vm_area_struct *next); 79 80 int vma_shrink(struct vma_iterator *vmi, struct vm_area_struct *vma, 81 unsigned long start, unsigned long end, pgoff_t pgoff); 82 83 /* 84 * init_vma_munmap() - Initializer wrapper for vma_munmap_struct 85 * @vms: The vma munmap struct 86 * @vmi: The vma iterator 87 * @vma: The first vm_area_struct to munmap 88 * @start: The aligned start address to munmap 89 * @end: The aligned end address to munmap 90 * @uf: The userfaultfd list_head 91 * @unlock: Unlock after the operation. Only unlocked on success 92 */ 93 static inline void init_vma_munmap(struct vma_munmap_struct *vms, 94 struct vma_iterator *vmi, struct vm_area_struct *vma, 95 unsigned long start, unsigned long end, struct list_head *uf, 96 bool unlock) 97 { 98 vms->vmi = vmi; 99 vms->vma = vma; 100 if (vma) { 101 vms->mm = vma->vm_mm; 102 vms->start = start; 103 vms->end = end; 104 } else { 105 vms->mm = NULL; 106 vms->start = vms->end = 0; 107 } 108 vms->unlock = unlock; 109 vms->uf = uf; 110 vms->vma_count = 0; 111 vms->nr_pages = vms->locked_vm = vms->nr_accounted = 0; 112 vms->exec_vm = vms->stack_vm = vms->data_vm = 0; > 113 vms->unmap_start = FIRST_USER_ADDRESS; > 114 vms->unmap_end = USER_PGTABLES_CEILING; 115 } 116 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki