apply_to_existing_page_range
return apply_to_existing_page_range(&init_mm, start, size,
apply_to_existing_page_range(&init_mm, start, size, debug_pagealloc_set_page, &enable);
extern int apply_to_existing_page_range(struct mm_struct *mm,
apply_to_existing_page_range(&init_mm, bpf_arena_get_kern_vm_start(arena),
apply_to_existing_page_range(&init_mm, kaddr, page_cnt << PAGE_SHIFT,
apply_to_existing_page_range(&init_mm, kaddr, page_cnt << PAGE_SHIFT,
apply_to_existing_page_range(&init_mm,