include/linux/ioport.h: add missing macro argument for devm_release_* family
[pandora-kernel.git] / mm / page_alloc.c
index af982f7..e293c58 100644 (file)
@@ -694,6 +694,9 @@ static int move_freepages(struct zone *zone,
 #endif
 
        for (page = start_page; page <= end_page;) {
+               /* Make sure we are not inadvertently changing nodes */
+               VM_BUG_ON(page_to_nid(page) != zone_to_nid(zone));
+
                if (!pfn_valid_within(page_to_pfn(page))) {
                        page++;
                        continue;
@@ -2516,6 +2519,10 @@ static void setup_zone_migrate_reserve(struct zone *zone)
                        continue;
                page = pfn_to_page(pfn);
 
+               /* Watch out for overlapping nodes */
+               if (page_to_nid(page) != zone_to_nid(zone))
+                       continue;
+
                /* Blocks with reserved pages will never free, skip them. */
                if (PageReserved(page))
                        continue;
@@ -4064,7 +4071,7 @@ void __init set_dma_reserve(unsigned long new_dma_reserve)
 }
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
-struct pglist_data contig_page_data = { .bdata = &bootmem_node_data[0] };
+struct pglist_data __refdata contig_page_data = { .bdata = &bootmem_node_data[0] };
 EXPORT_SYMBOL(contig_page_data);
 #endif