BACKPORT: psi: cgroup support

[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / include / linux / cgroup.h

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 8e83c9055ccb586da9357b19eb8bba71212c4751..90365b5dc23b2377b7592ea7ee9844c9e620cd38 100644 (file)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -627,6 +627,11 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp)
        pr_cont_kernfs_path(cgrp->kn);
 }
 
+static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
+{
+       return &cgrp->psi;
+}
+
 static inline void cgroup_init_kthreadd(void)
 {
        /*
@@ -681,6 +686,16 @@ static inline union kernfs_node_id *cgroup_get_kernfs_id(struct cgroup *cgrp)
        return NULL;
 }
 
+static inline struct cgroup *cgroup_parent(struct cgroup *cgrp)
+{
+       return NULL;
+}
+
+static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
+{
+       return NULL;
+}
+
 static inline bool task_under_cgroup_hierarchy(struct task_struct *task,
                                               struct cgroup *ancestor)
 {