x86: remove acpi_srat config v2

use ACPI_NUMA directly

and move srat_32.c to mm/

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/Kconfig

@@ -455,11 +455,6 @@ config MEMTEST
 		memtest=4, mean do 4 test patterns.
 	  If you are unsure how to answer this question, answer Y.
 
-config ACPI_SRAT
-	def_bool y
-	depends on X86_32 && ACPI && NUMA && X86_GENERICARCH
-	select ACPI_NUMA
-
 config X86_SUMMIT_NUMA
 	def_bool y
 	depends on X86_32 && NUMA && X86_GENERICARCH

arch/x86/kernel/Makefile

@@ -64,7 +64,6 @@ obj-$(CONFIG_X86_SUMMIT_NUMA)	+= summit_32.o
 obj-y				+= vsmp_64.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
 obj-$(CONFIG_MODULES)		+= module_$(BITS).o
-obj-$(CONFIG_ACPI_SRAT) 	+= srat_32.o
 obj-$(CONFIG_EFI) 		+= efi.o efi_$(BITS).o efi_stub_$(BITS).o
 obj-$(CONFIG_DOUBLEFAULT) 	+= doublefault_32.o
 obj-$(CONFIG_KGDB)		+= kgdb.o

arch/x86/mm/Makefile

@@ -13,5 +13,6 @@ obj-$(CONFIG_NUMA)		+= discontig_32.o
 else
 obj-$(CONFIG_NUMA)		+= numa_64.o
 obj-$(CONFIG_K8_NUMA)		+= k8topology_64.o
-obj-$(CONFIG_ACPI_NUMA)		+= srat_64.o
 endif
+obj-$(CONFIG_ACPI_NUMA)		+= srat_$(BITS).o
+

include/asm-x86/srat.h

@@ -27,7 +27,7 @@
 #ifndef _ASM_SRAT_H_
 #define _ASM_SRAT_H_
 
-#ifdef CONFIG_ACPI_SRAT
+#ifdef CONFIG_ACPI_NUMA
 extern int get_memcfg_from_srat(void);
 #else
 static inline int get_memcfg_from_srat(void)