x86, NUMA: Move *_numa_init() invocations into initmem_init()

There's no reason for these to live in setup_arch().  Move them inside
initmem_init().

- v2: x86-32 initmem_init() weren't updated breaking 32bit builds.
  Fixed.  Found by Ankita.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ankita Garg <ankita@in.ibm.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Shaohui Zheng <shaohui.zheng@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/include/asm/page_types.h

@@ -56,7 +56,7 @@ extern unsigned long init_memory_mapping(unsigned long start,
 
 void init_memory_mapping_high(void);
 
-extern void initmem_init(int acpi, int k8);
+extern void initmem_init(void);
 extern void free_initmem(void);
 
 #endif	/* !__ASSEMBLY__ */

arch/x86/kernel/setup.c

@@ -719,8 +719,6 @@ early_param("reservelow", parse_reservelow);
 
 void __init setup_arch(char **cmdline_p)
 {
-	int acpi = 0;
-	int amd = 0;
 	unsigned long flags;
 
 #ifdef CONFIG_X86_32
@@ -991,19 +989,7 @@ void __init setup_arch(char **cmdline_p)
 
 	early_acpi_boot_init();
 
-#ifdef CONFIG_ACPI_NUMA
-	/*
-	 * Parse SRAT to discover nodes.
-	 */
-	acpi = !x86_acpi_numa_init();
-#endif
-
-#ifdef CONFIG_AMD_NUMA
-	if (!acpi)
-		amd = !amd_numa_init();
-#endif
-
-	initmem_init(acpi, amd);
+	initmem_init();
 	memblock_find_dma_reserve();
 	dma32_reserve_bootmem();
 

arch/x86/mm/init_32.c

@@ -644,7 +644,7 @@ void __init find_low_pfn_range(void)
 }
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
-void __init initmem_init(int acpi, int k8)
+void __init initmem_init(void)
 {
 #ifdef CONFIG_HIGHMEM
 	highstart_pfn = highend_pfn = max_pfn;

arch/x86/mm/init_64.c

@@ -603,7 +603,7 @@ kernel_physical_mapping_init(unsigned long start,
 }
 
 #ifndef CONFIG_NUMA
-void __init initmem_init(int acpi, int k8)
+void __init initmem_init(void)
 {
 	memblock_x86_register_active_regions(0, 0, max_pfn);
 	init_memory_mapping_high();

arch/x86/mm/numa_32.c

@@ -352,7 +352,7 @@ static void init_remap_allocator(int nid)
 		(ulong) node_remap_end_vaddr[nid]);
 }
 
-void __init initmem_init(int acpi, int k8)
+void __init initmem_init(void)
 {
 	int nid;
 	long kva_target_pfn;

arch/x86/mm/numa_64.c

@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/nodemask.h>
 #include <linux/sched.h>
+#include <linux/acpi.h>
 
 #include <asm/e820.h>
 #include <asm/proto.h>
@@ -579,10 +580,23 @@ static int __init numa_emulation(unsigned long start_pfn,
 }
 #endif /* CONFIG_NUMA_EMU */
 
-void __init initmem_init(int acpi, int amd)
+void __init initmem_init(void)
 {
+	int acpi = 0, amd = 0;
 	int i;
 
+#ifdef CONFIG_ACPI_NUMA
+	/*
+	 * Parse SRAT to discover nodes.
+	 */
+	acpi = !x86_acpi_numa_init();
+#endif
+
+#ifdef CONFIG_AMD_NUMA
+	if (!acpi)
+		amd = !amd_numa_init();
+#endif
+
 	nodes_clear(node_possible_map);
 	nodes_clear(node_online_map);