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-rw-r--r--rust/helpers/helpers.c1
-rw-r--r--rust/helpers/pid_namespace.c26
2 files changed, 27 insertions, 0 deletions
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 463b970154de..61102cdb2b43 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -18,6 +18,7 @@
#include "kunit.c"
#include "mutex.c"
#include "page.c"
+#include "pid_namespace.c"
#include "rbtree.c"
#include "refcount.c"
#include "security.c"
diff --git a/rust/helpers/pid_namespace.c b/rust/helpers/pid_namespace.c
new file mode 100644
index 000000000000..f41482bdec9a
--- /dev/null
+++ b/rust/helpers/pid_namespace.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/pid_namespace.h>
+#include <linux/cleanup.h>
+
+struct pid_namespace *rust_helper_get_pid_ns(struct pid_namespace *ns)
+{
+ return get_pid_ns(ns);
+}
+
+void rust_helper_put_pid_ns(struct pid_namespace *ns)
+{
+ put_pid_ns(ns);
+}
+
+/* Get a reference on a task's pid namespace. */
+struct pid_namespace *rust_helper_task_get_pid_ns(struct task_struct *task)
+{
+ struct pid_namespace *pid_ns;
+
+ guard(rcu)();
+ pid_ns = task_active_pid_ns(task);
+ if (pid_ns)
+ get_pid_ns(pid_ns);
+ return pid_ns;
+}