diff --git a/qemu/util/oslib-posix.c b/qemu/util/oslib-posix.c
index 762bcb31..31e2b397 100644
--- a/qemu/util/oslib-posix.c
+++ b/qemu/util/oslib-posix.c
@@ -27,7 +27,8 @@
  */
 
 #if defined(__linux__) && \
-    (defined(__x86_64__) || defined(__arm__) || defined(__aarch64__))
+    (defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) \
+     || defined(__powerpc64__))
    /* 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. */