mm: compaction: add /sys trigger for per-node memory compaction

[safe/jmp/linux-2.6] / drivers / base / node.c

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 057979a..2bdd8a9 100644 (file)
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -9,6 +9,7 @@
 #include <linux/memory.h>
 #include <linux/node.h>
 #include <linux/hugetlb.h>
+#include <linux/compaction.h>
 #include <linux/cpumask.h>
 #include <linux/topology.h>
 #include <linux/nodemask.h>
@@ -246,6 +247,8 @@ int register_node(struct node *node, int num, struct node *parent)
                scan_unevictable_register_node(node);
 
                hugetlb_register_node(node);
+
+               compaction_register_node(node);
        }
        return error;
 }