3558 static int should_skip_vma(unsigned long start, unsigned long end, struct mm_walk *args)  in should_skip_vma()  argument
3561 	struct vm_area_struct *vma = args->vma;  in should_skip_vma()
3562 	struct lru_gen_mm_walk *walk = args->private;  in should_skip_vma()
3598 static bool get_next_vma(unsigned long mask, unsigned long size, struct mm_walk *args,  in get_next_vma()  argument
3607 	while (args->vma) {  in get_next_vma()
3608 		if (start >= args->vma->vm_end) {  in get_next_vma()
3609 			args->vma = args->vma->vm_next;  in get_next_vma()
3613 		if (end && end <= args->vma->vm_start)  in get_next_vma()
3616 		if (should_skip_vma(args->vma->vm_start, args->vma->vm_end, args)) {  in get_next_vma()
3617 			args->vma = args->vma->vm_next;  in get_next_vma()
3621 		*vm_start = max(start, args->vma->vm_start);  in get_next_vma()
3622 		*vm_end = min(end - 1, args->vma->vm_end - 1) + 1;  in get_next_vma()
3700 			   struct mm_walk *args)  in walk_pte_range()  argument
3708 	struct lru_gen_mm_walk *walk = args->private;  in walk_pte_range()
3715 	ptl = pte_lockptr(args->mm, pmd);  in walk_pte_range()
3730 		pfn = get_pte_pfn(pte[i], args->vma, addr);  in walk_pte_range()
3743 		if (!ptep_test_and_clear_young(args->vma, addr, pte + i))  in walk_pte_range()
3759 	if (i < PTRS_PER_PTE && get_next_vma(PMD_MASK, PAGE_SIZE, args, &start, &end))  in walk_pte_range()
3772 				  struct mm_walk *args, unsigned long *bitmap, unsigned long *start)  in walk_pmd_range_locked()  argument
3777 	struct lru_gen_mm_walk *walk = args->private;  in walk_pmd_range_locked()
3798 	ptl = pmd_lockptr(args->mm, pmd);  in walk_pmd_range_locked()
3849 				  struct mm_walk *args, unsigned long *bitmap, unsigned long *start)  in walk_pmd_range_locked()  argument
3855 			   struct mm_walk *args)  in walk_pmd_range()  argument
3863 	struct lru_gen_mm_walk *walk = args->private;  in walk_pmd_range()
3876 	vma = args->vma;  in walk_pmd_range()
3906 			walk_pmd_range_locked(pud, addr, vma, args, bitmap, &pos);  in walk_pmd_range()
3917 			walk_pmd_range_locked(pud, addr, vma, args, bitmap, &pos);  in walk_pmd_range()
3925 		if (!walk_pte_range(&val, addr, next, args))  in walk_pmd_range()
3934 	walk_pmd_range_locked(pud, -1, vma, args, bitmap, &pos);  in walk_pmd_range()
3936 	if (i < PTRS_PER_PMD && get_next_vma(PUD_MASK, PMD_SIZE, args, &start, &end))  in walk_pmd_range()
3941 			  struct mm_walk *args)  in walk_pud_range()  argument
3947 	struct lru_gen_mm_walk *walk = args->private;  in walk_pud_range()
3961 		walk_pmd_range(&val, addr, next, args);  in walk_pud_range()
3969 	if (i < PTRS_PER_PUD && get_next_vma(P4D_MASK, PUD_SIZE, args, &start, &end))  in walk_pud_range()
3974 	if (!end || !args->vma)  in walk_pud_range()
3977 	walk->next_addr = max(end, args->vma->vm_start);  in walk_pud_range()