ARM64: config: enable DRM relevant config

[firefly-linux-kernel-4.4.55.git] / include / linux / cgroup.h

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index cb91b44f5f7877d5899403b26ca1d9231c1ac9b6..70358b9f5a7ab809be0dd1e6d5310c7588166ba7 100644 (file)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -528,6 +528,16 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp)
        pr_cont_kernfs_path(cgrp->kn);
 }
 
+/*
+ * Default Android check for whether the current process is allowed to move a
+ * task across cgroups, either because CAP_SYS_NICE is set or because the uid
+ * of the calling process is the same as the moved task or because we are
+ * running as root.
+ * Returns 0 if this is allowed, or -EACCES otherwise.
+ */
+int subsys_cgroup_allow_attach(struct cgroup_taskset *tset);
+
+
 #else /* !CONFIG_CGROUPS */
 
 struct cgroup_subsys_state;
@@ -552,6 +562,10 @@ static inline void cgroup_free(struct task_struct *p) {}
 static inline int cgroup_init_early(void) { return 0; }
 static inline int cgroup_init(void) { return 0; }
 
+static inline int subsys_cgroup_allow_attach(void *tset)
+{
+       return -EINVAL;
+}
 #endif /* !CONFIG_CGROUPS */
 
 #endif /* _LINUX_CGROUP_H */