arch/arm/mach-gemini/Makefile.boot - SHIFTPHONES/android_kernel_shift_sdm845 - Gitiles

 ifeq ($(CONFIG_GEMINI_MEM_SWAP),y)
    zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 else
    zreladdr-y	+= 0x10008000
 params_phys-y	:= 0x10000100
 initrd_phys-y	:= 0x10800000
 endif
	ifeq ($(CONFIG_GEMINI_MEM_SWAP),y)
	zreladdr-y += 0x00008000
	params_phys-y := 0x00000100
	initrd_phys-y := 0x00800000
	else
	zreladdr-y += 0x10008000
	params_phys-y := 0x10000100
	initrd_phys-y := 0x10800000
	endif