CONFIG_NEED_MACH_MEMORY_H is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_NEED_MACH_MEMORY_H.
Result is shown for kernelversion 6.9-rc4

CONFIG_NEED_MACH_MEMORY_H (not configurable)

configname: CONFIG_NEED_MACH_MEMORY_H

Linux Kernel Configuration
└─>NEED_MACH_MEMORY_H
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Select this when mach/memory.h is required to provide special
definitions for this platform. The need for mach/memory.h should
be avoided when possible.