diff --git a/mm/memblock.c b/mm/memblock.c
index e23e166..f0f2dc6 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1826,7 +1826,8 @@ phys_addr_t __init_memblock memblock_reserved_kern_size(phys_addr_t limit, int n
  */
 unsigned long __init memblock_estimated_nr_free_pages(void)
 {
-	return PHYS_PFN(memblock_phys_mem_size() - memblock_reserved_size());
+	return PHYS_PFN(memblock_phys_mem_size() -
+			memblock_reserved_kern_size(MEMBLOCK_ALLOC_ANYWHERE, NUMA_NO_NODE));
 }
 
 /* lowest address */