X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=mm%2Fpage_alloc.c;h=4e9f5cc5fb59d166c57477771790106d1818c059;hb=c2c5d45d46c8c0fd34291dec958670ad4816796f;hp=998eacc1e4c34305d6251c37b70b69ec6c6f7272;hpb=925cc71e512a29e2594bcc17dc58d0a0e9c4d524;p=safe%2Fjmp%2Flinux-2.6

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 998eacc..4e9f5cc 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2402,13 +2402,14 @@ int numa_zonelist_order_handler(ctl_table *table, int write,
 {
 	char saved_string[NUMA_ZONELIST_ORDER_LEN];
 	int ret;
+	static DEFINE_MUTEX(zl_order_mutex);
 
+	mutex_lock(&zl_order_mutex);
 	if (write)
-		strncpy(saved_string, (char*)table->data,
-			NUMA_ZONELIST_ORDER_LEN);
+		strcpy(saved_string, (char*)table->data);
 	ret = proc_dostring(table, write, buffer, length, ppos);
 	if (ret)
-		return ret;
+		goto out;
 	if (write) {
 		int oldval = user_zonelist_order;
 		if (__parse_numa_zonelist_order((char*)table->data)) {
@@ -2421,7 +2422,9 @@ int numa_zonelist_order_handler(ctl_table *table, int write,
 		} else if (oldval != user_zonelist_order)
 			build_all_zonelists();
 	}
-	return 0;
+out:
+	mutex_unlock(&zl_order_mutex);
+	return ret;
 }
 
 
@@ -3580,7 +3583,7 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid,
  * Return the number of holes in a range on a node. If nid is MAX_NUMNODES,
  * then all holes in the requested range will be accounted for.
  */
-static unsigned long __meminit __absent_pages_in_range(int nid,
+unsigned long __meminit __absent_pages_in_range(int nid,
 				unsigned long range_start_pfn,
 				unsigned long range_end_pfn)
 {
@@ -4109,7 +4112,7 @@ static int __init cmp_node_active_region(const void *a, const void *b)
 }
 
 /* sort the node_map by start_pfn */
-static void __init sort_node_map(void)
+void __init sort_node_map(void)
 {
 	sort(early_node_map, (size_t)nr_nodemap_entries,
 			sizeof(struct node_active_region),