kernel/bpf/task_iter.c

431 	struct mm_struct *curr_mm;
443 		curr_mm = info->mm;
482 		if (mmap_lock_is_contended(curr_mm)) {
486 			mmap_read_unlock(curr_mm);
487 			if (mmap_read_lock_killable(curr_mm)) {
488 				mmput(curr_mm);
515 		curr_mm = get_task_mm(curr_task);
516 		if (!curr_mm)
519 		if (mmap_read_lock_killable(curr_mm)) {
520 			mmput(curr_mm);
527 		curr_vma = find_vma(curr_mm, 0);
530 		curr_vma = find_vma(curr_mm, curr_vma->vm_end);
537 		curr_vma = find_vma(curr_mm, info->prev_vm_end - 1);
544 			curr_vma = find_vma(curr_mm, curr_vma->vm_end);
549 		mmap_read_unlock(curr_mm);
550 		mmput(curr_mm);
555 	info->mm = curr_mm;