diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 910a7084f7f22dda7739d2b3d122d1c5be39ae33..8dba76972fd7e7874910ea493989b215a3b40573 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -95,7 +95,6 @@ extern void setup_node_to_cpumask_map(void);
 #ifdef CONFIG_X86_32
 extern unsigned long node_start_pfn[];
 extern unsigned long node_end_pfn[];
-extern unsigned long node_remap_size[];
 #define node_has_online_mem(nid) (node_start_pfn[nid] != node_end_pfn[nid])
 
 # define SD_CACHE_NICE_TRIES	1
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 6273eee5134b7d81c8dea080886d150a3adca14f..0aced70815f0c563a498aee420c5b750f4b25658 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -93,10 +93,6 @@ static inline void numaq_register_node(int node, struct sys_cfg_data *scd)
 						node_end_pfn[node]);
 
 	memory_present(node, node_start_pfn[node], node_end_pfn[node]);
-
-	node_remap_size[node] = node_memmap_size_bytes(node,
-					node_start_pfn[node],
-					node_end_pfn[node]);
 }
 
 /*
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 99310d26fe34b5ca912d5863a8db8d13eb5aa5e6..9a7336550f0d3753d637a5ab1a893e5a4c70e014 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -104,7 +104,7 @@ extern unsigned long highend_pfn, highstart_pfn;
 
 #define LARGE_PAGE_BYTES (PTRS_PER_PTE * PAGE_SIZE)
 
-unsigned long node_remap_size[MAX_NUMNODES];
+static unsigned long node_remap_size[MAX_NUMNODES];
 static void *node_remap_start_vaddr[MAX_NUMNODES];
 void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
 
@@ -129,7 +129,6 @@ int __init get_memcfg_numa_flat(void)
 	node_end_pfn[0] = max_pfn;
 	memblock_x86_register_active_regions(0, 0, max_pfn);
 	memory_present(0, 0, max_pfn);
-	node_remap_size[0] = node_memmap_size_bytes(0, 0, max_pfn);
 
         /* Indicate there is one node available. */
 	nodes_clear(node_online_map);
@@ -282,11 +281,10 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
 	if (node_end_pfn[nid] > max_pfn)
 		node_end_pfn[nid] = max_pfn;
 
-	/* ensure the remap includes space for the pgdat. */
-	size = node_remap_size[nid];
+	/* calculate the necessary space aligned to large page size */
+	size = node_memmap_size_bytes(nid, node_start_pfn[nid],
+				      min(node_end_pfn[nid], max_pfn));
 	size += ALIGN(sizeof(pg_data_t), PAGE_SIZE);
-
-	/* align to large page */
 	size = ALIGN(size, LARGE_PAGE_BYTES);
 
 	node_pa = memblock_find_in_range(node_start_pfn[nid] << PAGE_SHIFT,
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 48651c6f657d58605ef5ab6ac54ec3ff03400ac0..1b9e82c96dc53c746a3b93cb06b5fa8717c70f5e 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -276,7 +276,6 @@ int __init get_memcfg_from_srat(void)
 		unsigned long end = min(node_end_pfn[nid], max_pfn);
 
 		memory_present(nid, start, end);
-		node_remap_size[nid] = node_memmap_size_bytes(nid, start, end);
 	}
 	return 1;
 out_fail: