diff --git a/config/ppc64/vanilla b/config/ppc64/vanilla
index 4cf4027..fe921c4 100644
--- a/config/ppc64/vanilla
+++ b/config/ppc64/vanilla
@@ -542,7 +542,7 @@ CONFIG_PAGE_SIZE_64KB=y
 CONFIG_PPC_PAGE_SHIFT=16
 CONFIG_THREAD_SHIFT=14
 CONFIG_DATA_SHIFT=24
-CONFIG_ARCH_FORCE_MAX_ORDER=9
+CONFIG_ARCH_FORCE_MAX_ORDER=8
 CONFIG_PPC_SUBPAGE_PROT=y
 # CONFIG_PPC_PROT_SAO_LPAR is not set
 CONFIG_PPC_COPRO_BASE=y
diff --git a/config/ppc64le/vanilla b/config/ppc64le/vanilla
index 77f614b..73bd938 100644
--- a/config/ppc64le/vanilla
+++ b/config/ppc64le/vanilla
@@ -502,7 +502,7 @@ CONFIG_PAGE_SIZE_64KB=y
 CONFIG_PPC_PAGE_SHIFT=16
 CONFIG_THREAD_SHIFT=14
 CONFIG_DATA_SHIFT=24
-CONFIG_ARCH_FORCE_MAX_ORDER=9
+CONFIG_ARCH_FORCE_MAX_ORDER=8
 CONFIG_PPC_SUBPAGE_PROT=y
 # CONFIG_PPC_PROT_SAO_LPAR is not set
 CONFIG_PPC_COPRO_BASE=y