2 files changed, 11 insertions, 0 deletions

diff --git a/mm/Kconfig b/mm/Kconfig
index e6651c5de14f..1680a0123a13 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -143,6 +143,14 @@ config NO_BOOTMEM
 config MEMORY_ISOLATION
         boolean
 
+config MOVABLE_NODE
+        boolean "Enable to assign a node which has only movable memory"
+        depends on HAVE_MEMBLOCK
+        depends on NO_BOOTMEM
+        depends on X86_64
+        depends on NUMA
+        default y
+
 # eventually, we can have this option just 'select SPARSEMEM'
 config MEMORY_HOTPLUG
         bool "Allow for memory hot-add"
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 35727168896b..2bf0d43d646b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -90,6 +90,9 @@ nodemask_t node_states[NR_NODE_STATES] __read_mostly = {
 #ifdef CONFIG_HIGHMEM
         [N_HIGH_MEMORY] = { { [0] = 1UL } },
 #endif
+#ifdef CONFIG_MOVABLE_NODE
+        [N_MEMORY] = { { [0] = 1UL } },
+#endif
         [N_CPU] = { { [0] = 1UL } },
 #endif  /* NUMA */
 };