CONFIG_ARM_L1_CACHE_SHIFT_7 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_ARM_L1_CACHE_SHIFT_7 (not configurable)
configname: CONFIG_ARM_L1_CACHE_SHIFT_7
Linux Kernel Configuration
└─>ARM_L1_CACHE_SHIFT_7
In linux kernel since version 4.1 (release Date: 2015-06-21)
Setting ARM L1 cache line size to 128 Bytes.