1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index 0c28a071824c..38a856c4fc07 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -163,7 +163,9 @@ char * __init machine_specific_memory_setup(void)
          * Otherwise fake a memory map; one section from 0k->640k,
          * the next section from 1mb->appropriate_mem_k
          */
-        sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
+        sanitize_e820_map(boot_params.e820_map,
+                        ARRAY_SIZE(boot_params.e820_map),
+                        &boot_params.e820_entries);
         if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
             < 0) {
                 unsigned long mem_size;