diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h
index 9cb68e9..393e04c 100644
--- a/include/asm-ia64/pgalloc.h
+++ b/include/asm-ia64/pgalloc.h
@@ -60,7 +60,7 @@
 static inline void pgtable_quicklist_free(void *pgtable_entry)
 {
 #ifdef CONFIG_NUMA
-	unsigned long nid = page_to_nid(virt_to_page(pgtable_entry));
+	int nid = page_to_nid(virt_to_page(pgtable_entry));
 
 	if (unlikely(nid != numa_node_id())) {
 		free_page((unsigned long)pgtable_entry);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8403037..0e266fe 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -456,7 +456,7 @@
 	return (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK;
 }
 
-static inline unsigned long zone_to_nid(struct zone *zone)
+static inline int zone_to_nid(struct zone *zone)
 {
 #ifdef CONFIG_NUMA
 	return zone->node;
@@ -466,9 +466,9 @@
 }
 
 #ifdef NODE_NOT_IN_PAGE_FLAGS
-extern unsigned long page_to_nid(struct page *page);
+extern int page_to_nid(struct page *page);
 #else
-static inline unsigned long page_to_nid(struct page *page)
+static inline int page_to_nid(struct page *page)
 {
 	return (page->flags >> NODES_PGSHIFT) & NODES_MASK;
 }
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index fb90723..e7b69c9 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -221,7 +221,7 @@
 	orig_pte = pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
 	do {
 		struct page *page;
-		unsigned int nid;
+		int nid;
 
 		if (!pte_present(*pte))
 			continue;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 86f2984..614d427 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1407,7 +1407,7 @@
 static inline void show_node(struct zone *zone)
 {
 	if (NUMA_BUILD)
-		printk("Node %ld ", zone_to_nid(zone));
+		printk("Node %d ", zone_to_nid(zone));
 }
 
 void si_meminfo(struct sysinfo *val)
diff --git a/mm/sparse.c b/mm/sparse.c
index 158d6a2..ac26eb0 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -36,7 +36,7 @@
 static u16 section_to_node_table[NR_MEM_SECTIONS] __cacheline_aligned;
 #endif
 
-unsigned long page_to_nid(struct page *page)
+int page_to_nid(struct page *page)
 {
 	return section_to_node_table[page_to_section(page)];
 }