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-rw-r--r--mm/mempolicy.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 172abff..bb54b88 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -955,6 +955,11 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
goto out;
}
+ if (!nodes_subset(new, node_online_map)) {
+ err = -EINVAL;
+ goto out;
+ }
+
err = security_task_movememory(task);
if (err)
goto out;