FIXADDR_USER_END   13 include/asm-um/archparam-x86_64.h #define FIXADDR_USER_END	0
FIXADDR_USER_END  103 include/asm-um/elf-i386.h #define FIXADDR_USER_END        VSYSCALL_END
FIXADDR_USER_END   24 include/asm-x86/fixmap_32.h #define FIXADDR_USER_END       __fix_to_virt(FIX_VDSO - 1)
FIXADDR_USER_END   81 include/asm-x86/fixmap_64.h #define FIXADDR_USER_END	(FIXADDR_USER_START + PAGE_SIZE)