CONFIG_HAVE_GENERIC_VDSO (not configurable)

modulename: vsyscall.ko

configname: CONFIG_HAVE_GENERIC_VDSO

Linux Kernel Configuration
└─>Library routines
└─>HAVE_GENERIC_VDSO
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
kernel/time/vsyscall.c
is depended by
CONFIG_VDSO