Symbol: LINUX_VSYSCALL_START
sys/compat/linux/arch/amd64/linux_machdep.c
473
if (__predict_true(trapaddr < LINUX_VSYSCALL_START))
sys/compat/linux/arch/amd64/linux_machdep.c
482
vsyscallnr = (tf->tf_rip - LINUX_VSYSCALL_START) / LINUX_VSYSCALL_SIZE;