diff --git a/osal/inc/rk_malloc.h b/osal/inc/rk_malloc.h
index 5d021599..b94dd7fc 100644
--- a/osal/inc/rk_malloc.h
+++ b/osal/inc/rk_malloc.h
@@ -17,6 +17,8 @@
 #ifndef __RK_MALLOC_H__
 #define __RK_MALLOC_H__
 
+#include <stdlib.h>
+
 #define rk_malloc(type, count)      (type*)rk_mpp_malloc(sizeof(type) * (count))
 #define rk_free(ptr)                rk_mpp_free(ptr)
 
diff --git a/osal/linux/os_malloc.c b/osal/linux/os_malloc.c
new file mode 100644
index 00000000..19f648f6
--- /dev/null
+++ b/osal/linux/os_malloc.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010 Rockchip Electronics S.LSI Co. LTD
+ *
+ * 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 <stdlib.h>
+#include "os_malloc.h"
+
+int os_malloc(void **memptr, size_t alignment, size_t size)
+{
+    return posix_memalign(memptr, alignment, size);
+}
+
+void os_free(void *ptr)
+{
+    free(ptr);
+}
+