CONFIG_ARCH_HAS_SUBPAGE_FAULTS (not configurable)
configname: CONFIG_ARCH_HAS_SUBPAGE_FAULTS
Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_HAS_SUBPAGE_FAULTS
In linux kernel since version 5.2 (release Date: 2019-07-07)
Select if the architecture can check permissions at sub-page
granularity (e.g. arm64 MTE). The probe_user_*() functions
must be implemented.
granularity (e.g. arm64 MTE). The probe_user_*() functions
must be implemented.