CONFIG_FS_POSIX_ACL (not configurable)

modulename: posix_acl.ko

configname: CONFIG_FS_POSIX_ACL

Linux Kernel Configuration
└─>File systems
└─>FS_POSIX_ACL
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
fs/
depends
CONFIG_BLOCK