CONFIG_CPU_DCACHE_WRITETHROUGH is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Force write through D-cache
configname: CONFIG_CPU_DCACHE_WRITETHROUGH
Linux Kernel Configuration
└─>Force write through D-cache
In linux kernel since version 2.6.12
Say Y here to use the data cache in writethrough mode. Unless you
specifically require this or are unsure, say N.
specifically require this or are unsure, say N.
depends
NOT CONFIG_CPU_DCACHE_DISABLECONFIG_CPU_ARM1020 or CONFIG_CPU_ARM920T or CONFIG_CPU_ARM922T or CONFIG_CPU_ARM925T or CONFIG_CPU_ARM926T or CONFIG_CPU_V6