CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG (not configurable)
configname: CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG
Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_HAS_NONLEAF_PMD_YOUNG
In linux kernel since version 6.1 (release Date: 2022-12-11)
Architectures that select this option are capable of setting the
accessed bit in non-leaf PMD entries when using them as part of linear
address translations. Page table walkers that clear the accessed bit
may use this capability to reduce their search space.
accessed bit in non-leaf PMD entries when using them as part of linear
address translations. Page table walkers that clear the accessed bit
may use this capability to reduce their search space.