default or selected kernelversion does not have config value CONFIG_GENERIC_ACL.
Result is shown for kernelversion 6.5.1

CONFIG_GENERIC_ACL (not configurable)

modulename: generic_acl.ko

configname: CONFIG_GENERIC_ACL

Linux Kernel Configuration
└─>File systems
└─>GENERIC_ACL
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
fs/generic_acl.c

is depended by
CONFIG_TMPFS_POSIX_ACL