diff --git a/src/common_define.h b/src/common_define.h
index 06f40d1..c1f9653 100644
--- a/src/common_define.h
+++ b/src/common_define.h
@@ -297,6 +297,11 @@ typedef struct {
     int fd;
 } SafeWriteFileInfo;
 
+typedef struct {
+    char filename[PATH_MAX];
+    int fd;
+} FilenameFDPair;
+
 typedef void (*FreeDataFunc)(void *ptr);
 typedef int (*CompareFunc)(void *p1, void *p2);
 typedef void* (*MallocFunc)(size_t size);
diff --git a/src/system_info.c b/src/system_info.c
index af7cb40..faf7b5c 100644
--- a/src/system_info.c
+++ b/src/system_info.c
@@ -776,7 +776,6 @@ int get_sysinfo(struct fast_sysinfo *info)
 		page_size = sysconf(_SC_PAGESIZE);
 		info->freeram = vm.t_free * page_size;
 		info->sharedram = vm.t_rmshr * page_size;
-		//info->bufferram = vm.   //TODO:
 	}
 #endif