diff --git a/oslib-posix.c b/oslib-posix.c
index 9db9c3d..d25b52a 100644
--- a/oslib-posix.c
+++ b/oslib-posix.c
@@ -35,7 +35,7 @@
 extern int daemon(int, int);
 #endif
 
-#if defined(__linux__) && defined(__x86_64__)
+#if defined(__linux__) && (defined(__x86_64__) || defined(__arm__))
    /* Use 2 MiB alignment so transparent hugepages can be used by KVM.
       Valgrind does not support alignments larger than 1 MiB,
       therefore we need special code which handles running on Valgrind. */