flow.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/flow.c b/flow.c
index 7db9548..c876869 100644
--- a/flow.c
+++ b/flow.c
@@ -601,6 +601,20 @@ static void simplify_one_symbol(struct entrypoint *ep, struct symbol *sym)
 	unsigned long mod;
 	int all, stores, complex;
 
+	/*
+	 * Warn about excessive local variable alignment.
+	 *
+	 * This needs to be linked up with some flag to enable
+	 * it, and specify the alignment. The 'max_int_alignment'
+	 * just happens to be what we want for the kernel for x86-64.
+	 */
+	mod = sym->ctype.modifiers;
+	if (!(mod & (MOD_NONLOCAL | MOD_STATIC))) {
+		unsigned int alignment = sym->ctype.alignment;
+		if (alignment > max_int_alignment)
+			warning(sym->pos, "symbol '%s' has excessive alignment (%u)", show_ident(sym->ident), alignment);
+	}
+
 	/* Never used as a symbol? */
 	pseudo = sym->pseudo;
 	if (!pseudo)