Merge "libprocessgroup: Remove isolated UID cgroup directories" into main
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 1f29040..06d386f 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -223,6 +223,13 @@
std::this_thread::sleep_for(5ms);
}
+ if (!ret && uid >= AID_ISOLATED_START && uid <= AID_ISOLATED_END) {
+ // Isolated UIDs are unlikely to be reused soon after removal,
+ // so free up the kernel resources for the UID level cgroup.
+ const auto uid_path = ConvertUidToPath(cgroup, uid);
+ ret = rmdir(uid_path.c_str());
+ }
+
return ret;
}