pgprot_device 252 include/asm-generic/pgtable.h #ifndef pgprot_device pgprot_device 264 include/asm-generic/pgtable.h if (pgprot_val(oldprot) == pgprot_val(pgprot_device(oldprot))) pgprot_device 265 include/asm-generic/pgtable.h newprot = pgprot_device(newprot);