VDSO_HIGH_BASE    291 include/asm-x86/elf.h #define VDSO_HIGH_BASE		(__fix_to_virt(FIX_VDSO))
VDSO_HIGH_BASE    299 include/asm-x86/elf.h #define VDSO_HIGH_BASE		0xffffe000U /* CONFIG_COMPAT_VDSO address */