--- zzzz-none-000/linux-2.6.39.4/arch/arm/kernel/armksyms.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/arch/arm/kernel/armksyms.c	2021-11-10 13:38:14.000000000 +0000
@@ -85,7 +85,20 @@
 	/* string / mem functions */
 EXPORT_SYMBOL(strchr);
 EXPORT_SYMBOL(strrchr);
+
+#ifdef __HAVE_ARCH_MEMSET
+void * memset(void *p, int v, __kernel_size_t n) {
+		if (n != 0) {
+			if (__builtin_constant_p(v) && v == 0)	
+				__memzero(p, n);
+			else
+				arm_memset(p , v, n);
+		}
+		return p;
+}
+#endif
 EXPORT_SYMBOL(memset);
+
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(memchr);