FIXADDR_USER_START   12 include/asm-um/archparam-x86_64.h #define FIXADDR_USER_START	0
FIXADDR_USER_START  102 include/asm-um/elf-i386.h #define FIXADDR_USER_START      VSYSCALL_BASE
FIXADDR_USER_START   23 include/asm-x86/fixmap_32.h #define FIXADDR_USER_START     __fix_to_virt(FIX_VDSO)
FIXADDR_USER_START   80 include/asm-x86/fixmap_64.h #define FIXADDR_USER_START	((unsigned long)VSYSCALL32_VSYSCALL)