diff --git a/include/linux/mm.h b/include/linux/mm.h
index e51aafbc4b3a..941c7f711ada 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -70,6 +70,10 @@ extern int mmap_rnd_compat_bits __read_mostly;
 #define __pa_symbol(x)  __pa(RELOC_HIDE((unsigned long)(x), 0))
 #endif
 
+#ifndef lm_alias
+#define lm_alias(x)	__va(__pa_symbol(x))
+#endif
+
 /*
  * To prevent common memory management code establishing
  * a zero page mapping on a read fault.