1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 6633f3fb6417..5a737ed9dac7 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -32,6 +32,7 @@
 #include <linux/kernel.h>
 #include <linux/kmod.h>
 #include <linux/list.h>
+#include <linux/mempolicy.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/mount.h>
@@ -600,6 +601,7 @@ static void refresh_mems(void)
 
         if (current->cpuset_mems_generation != my_cpusets_mem_gen) {
                 struct cpuset *cs;
+                nodemask_t oldmem = current->mems_allowed;
 
                 down(&callback_sem);
                 task_lock(current);
@@ -608,6 +610,8 @@ static void refresh_mems(void)
                 current->cpuset_mems_generation = cs->mems_generation;
                 task_unlock(current);
                 up(&callback_sem);
+                if (!nodes_equal(oldmem, current->mems_allowed))
+                        numa_policy_rebind(&oldmem, &current->mems_allowed);
         }
 }