diff --git a/mm/sparse.c b/mm/sparse.c
index effdac6b0ab1..e13f9f5fa090 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -201,13 +201,11 @@ static void __init memblocks_present(void)
 	int i, nid;
 
 #ifdef CONFIG_SPARSEMEM_EXTREME
-	if (unlikely(!mem_section)) {
-		unsigned long size, align;
+	unsigned long size, align;
 
-		size = sizeof(struct mem_section *) * NR_SECTION_ROOTS;
-		align = 1 << (INTERNODE_CACHE_SHIFT);
-		mem_section = memblock_alloc_or_panic(size, align);
-	}
+	size = sizeof(struct mem_section *) * NR_SECTION_ROOTS;
+	align = 1 << (INTERNODE_CACHE_SHIFT);
+	mem_section = memblock_alloc_or_panic(size, align);
 #endif
 
 	for_each_mem_pfn_range(i, MAX_NUMNODES, &start, &end, &nid)