diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 322dd55..201b453 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1417,6 +1417,9 @@
 #endif
 	VMCOREINFO_NUMBER(PG_head_mask);
 	VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
+#ifdef CONFIG_X86
+	VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE);
+#endif
 #ifdef CONFIG_HUGETLBFS
 	VMCOREINFO_SYMBOL(free_huge_page);
 #endif