diff --git a/config-x86_64-generic b/config-x86_64-generic
index 76a5beba1..1131aa0ec 100644
--- a/config-x86_64-generic
+++ b/config-x86_64-generic
@@ -210,3 +210,9 @@ CONFIG_NO_HZ_FULL=y
 # CONFIG_NO_HZ_FULL_ALL is not set
 # CONFIG_NO_HZ_FULL_SYSIDLE is not set
 # CONFIG_CONTEXT_TRACKING_FORCE is not set
+
+# Turn on CONFIG_CMA for THP
+CONFIG_CMA=y
+# CONFIG_CMA_DEBUG is not set
+# CONFIG_CMA_DEBUGFS is not set
+CONFIG_CMA_AREAS=7
diff --git a/kernel.spec b/kernel.spec
index e4d97b226..0e3df4ad8 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -2048,6 +2048,9 @@ fi
 #
 # 
 %changelog
+* Tue Nov 10 2015 Laura Abbott <labbott@redhat.com>
+- Enable CONFIG_CMA on x86_64 (rhbz 1278985)
+
 * Tue Nov 10 2015 Laura Abbott <labbott@redhat.com> - 4.4.0-0.rc0.git6.1
 - Linux v4.3-9393-gbd4f203