build_wo_swap_fix.patch

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 156ed8154af8..9df07402d801 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -916,9 +916,11 @@ void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
 
 unsigned long max_swapfile_size(void)
 {
-	unsigned long pages;
+	unsigned long pages = 0UL;
 
-	pages = generic_max_swapfile_size();
+#ifdef CONFIG_SWAP
+        pages = generic_max_swapfile_size();
+#endif
 
 	if (boot_cpu_has_bug(X86_BUG_L1TF)) {
 		/* Limit the swap file size to MAX_PA/2 for L1TF workaround */