X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=mm%2Fmemory_hotplug.c;h=0c055a090f4df19e042312e2a30cef3140fb8558;hb=d73e3cd73c058ce792ad276f979680aa331f4f8e;hp=9576ed920c0a3158945adb6af8701b1d642a1a3c;hpb=38837fc75acb7fa9b0e111b0241fe4fe76c5d4b3;p=powerpc.git

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 9576ed920c..0c055a090f 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -13,6 +13,7 @@
 #include <linux/compiler.h>
 #include <linux/module.h>
 #include <linux/pagevec.h>
+#include <linux/writeback.h>
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/cpu.h>
@@ -25,8 +26,37 @@
 
 #include <asm/tlbflush.h>
 
-extern void zonetable_add(struct zone *zone, int nid, int zid, unsigned long pfn,
-			  unsigned long size);
+/* add this memory to iomem resource */
+static struct resource *register_memory_resource(u64 start, u64 size)
+{
+	struct resource *res;
+	res = kzalloc(sizeof(struct resource), GFP_KERNEL);
+	BUG_ON(!res);
+
+	res->name = "System RAM";
+	res->start = start;
+	res->end = start + size - 1;
+	res->flags = IORESOURCE_MEM;
+	if (request_resource(&iomem_resource, res) < 0) {
+		printk("System RAM resource %llx - %llx cannot be added\n",
+		(unsigned long long)res->start, (unsigned long long)res->end);
+		kfree(res);
+		res = NULL;
+	}
+	return res;
+}
+
+static void release_memory_resource(struct resource *res)
+{
+	if (!res)
+		return;
+	release_resource(res);
+	kfree(res);
+	return;
+}
+
+
+#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
 static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 {
 	struct pglist_data *pgdat = zone->zone_pgdat;
@@ -42,12 +72,9 @@ static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 			return ret;
 	}
 	memmap_init_zone(nr_pages, nid, zone_type, phys_start_pfn);
-	zonetable_add(zone, nid, zone_type, phys_start_pfn, nr_pages);
 	return 0;
 }
 
-extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
-				  int nr_pages);
 static int __add_section(struct zone *zone, unsigned long phys_start_pfn)
 {
 	int nr_pages = PAGES_PER_SECTION;
@@ -192,8 +219,10 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	if (need_zonelists_rebuild)
 		build_all_zonelists();
 	vm_total_pages = nr_free_pagecache_pages();
+	writeback_set_ratelimit();
 	return 0;
 }
+#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
 
 static pg_data_t *hotadd_new_pgdat(int nid, u64 start)
 {
@@ -223,36 +252,6 @@ static void rollback_node_hotadd(int nid, pg_data_t *pgdat)
 	return;
 }
 
-/* add this memory to iomem resource */
-static struct resource *register_memory_resource(u64 start, u64 size)
-{
-	struct resource *res;
-	res = kzalloc(sizeof(struct resource), GFP_KERNEL);
-	BUG_ON(!res);
-
-	res->name = "System RAM";
-	res->start = start;
-	res->end = start + size - 1;
-	res->flags = IORESOURCE_MEM;
-	if (request_resource(&iomem_resource, res) < 0) {
-		printk("System RAM resource %llx - %llx cannot be added\n",
-		(unsigned long long)res->start, (unsigned long long)res->end);
-		kfree(res);
-		res = NULL;
-	}
-	return res;
-}
-
-static void release_memory_resource(struct resource *res)
-{
-	if (!res)
-		return;
-	release_resource(res);
-	kfree(res);
-	return;
-}
-
-
 
 int add_memory(int nid, u64 start, u64 size)
 {