new_pmd_page 226 arch/x86/mm/pti.c unsigned long new_pmd_page = __get_free_page(gfp); new_pmd_page 227 arch/x86/mm/pti.c if (WARN_ON_ONCE(!new_pmd_page)) new_pmd_page 230 arch/x86/mm/pti.c set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));