__PAGE_KERNEL_RX   96 include/asm-x86/pgtable.h #define __PAGE_KERNEL_VSYSCALL		(__PAGE_KERNEL_RX | _PAGE_USER)
__PAGE_KERNEL_RX  110 include/asm-x86/pgtable.h #define PAGE_KERNEL_RX			__pgprot(__PAGE_KERNEL_RX)