From 9ea65f12196de56f88e436a7f13e3409647c8819 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 7 Feb 2013 12:26:40 +1100
Subject: [PATCH] 
 acpi-memory-hotplug-extend-movablemem_map-ranges-to-the-end-of-node-fix

clean up code, fix build warning

Cc: "Brown, Len" <len.brown@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wu Jianguo <wujianguo@huawei.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 arch/x86/mm/srat.c | 93 ++++++++++++++++++++++++----------------------
 1 file changed, 49 insertions(+), 44 deletions(-)

diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 68119be5b4be..3e90039e52e0 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -142,50 +142,8 @@ static inline int save_add_info(void) {return 0;}
 #endif
 
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-extern struct movablemem_map movablemem_map;
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-
-/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
-int __init
-acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
+static void __init handle_movablemem(int node, u64 start, u64 end)
 {
-	u64 start, end;
-	u32 hotpluggable;
-	int node, pxm;
-
-	if (srat_disabled())
-		goto out_err;
-	if (ma->header.length != sizeof(struct acpi_srat_mem_affinity))
-		goto out_err_bad_srat;
-	if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
-		goto out_err;
-	hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE;
-	if (hotpluggable && !save_add_info())
-		goto out_err;
-
-	start = ma->base_address;
-	end = start + ma->length;
-	pxm = ma->proximity_domain;
-	if (acpi_srat_revision <= 1)
-		pxm &= 0xff;
-
-	node = setup_node(pxm);
-	if (node < 0) {
-		printk(KERN_ERR "SRAT: Too many proximity domains.\n");
-		goto out_err_bad_srat;
-	}
-
-	if (numa_add_memblk(node, start, end) < 0)
-		goto out_err_bad_srat;
-
-	node_set(node, numa_nodes_parsed);
-
-	printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx] %s\n",
-	       node, pxm,
-	       (unsigned long long) start, (unsigned long long) end - 1,
-	       hotpluggable ? "Hot Pluggable": "");
-
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
 	int overlap;
 	unsigned long start_pfn, end_pfn;
 
@@ -229,7 +187,54 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 			 */
 			insert_movablemem_map(start_pfn, end_pfn);
 	}
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+}
+#else		/* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+static inline void handle_movablemem(int node, u64 start, u64 end)
+{
+}
+#endif		/* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+
+/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
+int __init
+acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
+{
+	u64 start, end;
+	u32 hotpluggable;
+	int node, pxm;
+
+	if (srat_disabled())
+		goto out_err;
+	if (ma->header.length != sizeof(struct acpi_srat_mem_affinity))
+		goto out_err_bad_srat;
+	if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
+		goto out_err;
+	hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE;
+	if (hotpluggable && !save_add_info())
+		goto out_err;
+
+	start = ma->base_address;
+	end = start + ma->length;
+	pxm = ma->proximity_domain;
+	if (acpi_srat_revision <= 1)
+		pxm &= 0xff;
+
+	node = setup_node(pxm);
+	if (node < 0) {
+		printk(KERN_ERR "SRAT: Too many proximity domains.\n");
+		goto out_err_bad_srat;
+	}
+
+	if (numa_add_memblk(node, start, end) < 0)
+		goto out_err_bad_srat;
+
+	node_set(node, numa_nodes_parsed);
+
+	printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx] %s\n",
+	       node, pxm,
+	       (unsigned long long) start, (unsigned long long) end - 1,
+	       hotpluggable ? "Hot Pluggable": "");
+
+	handle_movablemem(node, start, end);
 
 	return 0;
 out_err_bad_srat:
-- 
2.39.5