Reserve the size for container

Change-Id: I6b7cbd5e450273695055e11ec4bdc6e6caeba7de
Signed-off-by: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/applist.cpp b/src/applist.cpp
index 77f1b2b..365c485 100644
--- a/src/applist.cpp
+++ b/src/applist.cpp
@@ -25,11 +25,16 @@ using std::vector;
 namespace wm
 {
 
+const static int kReserveClientSize = 100;
+const static int kReserveReqSize    = 10;
+
 AppList::AppList()
-    : req_list(0),
-      app2client(0),
+    : req_list(),
+      app2client(),
       current_req(1)
 {
+    app2client.reserve(kReserveClientSize);
+    req_list.reserve(kReserveReqSize);
 }
 
 AppList::~AppList() {}