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

Reserve SMEM at the beginning of RAM

configname: CONFIG_ARCH_QCOM_RESERVE_SMEM

Linux Kernel Configuration
└─>Qualcomm Support
└─>Reserve SMEM at the beginning of RAM
Reserve 2MB at the beginning of the System RAM for shared mem.
This is required on IPQ40xx, MSM8x60 and MSM8960 platforms.