PF_WRITE 433 arch/x86/mm/fault.c if ((error_code & PF_WRITE) && !pte_write(*pte)) PF_WRITE 725 arch/x86/mm/fault.c switch (error_code & (PF_PROT|PF_WRITE)) { PF_WRITE 728 arch/x86/mm/fault.c case PF_WRITE: /* write, not present */