1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index e9efe148fdf7..77c6497f416e 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -398,9 +398,9 @@ extern void noexec_setup(const char *str);
 
 #endif /* !__ASSEMBLY__ */
 
-#ifndef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_FLATMEM
 #define kern_addr_valid(addr)   (1)
-#endif /* !CONFIG_DISCONTIGMEM */
+#endif /* CONFIG_FLATMEM */
 
 #define io_remap_page_range(vma, vaddr, paddr, size, prot)              \
                 remap_pfn_range(vma, vaddr, (paddr) >> PAGE_SHIFT, size, prot)