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)