CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP (not configurable)

configname: CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP

Linux Kernel Configuration
└─>Memory Management options
└─>ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
In linux kernel since version 4.14.327 (release Date: 2023-10-10)