CONFIG_ARCH_SPLIT_ARG64 (not configurable)

configname: CONFIG_ARCH_SPLIT_ARG64

Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_SPLIT_ARG64
In linux kernel since version 5.2 (release Date: 2019-07-07)  
If a 32-bit architecture requires 64-bit arguments to be split into
pairs of 32-bit arguments, select this option.