1 files changed, 28 insertions, 0 deletions
diff --git a/libpagemap/pm_memusage.c b/libpagemap/pm_memusage.c
new file mode 100644
index 00000000..9c5db92e
--- /dev/null
+++ b/libpagemap/pm_memusage.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <pagemap/pagemap.h>
+
+void pm_memusage_zero(pm_memusage_t *mu) {
+    mu->vss = mu->rss = mu->pss = mu->uss = 0;
+}
+
+void pm_memusage_add(pm_memusage_t *a, pm_memusage_t *b) {
+    a->vss += b->vss;
+    a->rss += b->rss;
+    a->pss += b->pss;
+    a->uss += b->uss;
+}