SERVER-12644 noprealloc warning should be logged properly

(cherry picked from commit 127834fd5164c3a172f61bfe292c118542ea6241)

1 files changed, 1 insertions, 2 deletions

diff --git a/src/mongo/db/mongod_options.cpp b/src/mongo/db/mongod_options.cpp
index 421501a1cba..166644fb653 100644
--- a/src/mongo/db/mongod_options.cpp
+++ b/src/mongo/db/mongod_options.cpp
@@ -55,7 +55,6 @@
 
 namespace mongo {
 
-using std::cout;
 using std::endl;
 using std::string;
 
@@ -1048,7 +1047,7 @@ Status storeMongodOptions(const moe::Environment& params, const std::vector<std:
     }
     if (params.count("storage.mmapv1.preallocDataFiles")) {
         mmapv1GlobalOptions.prealloc = params["storage.mmapv1.preallocDataFiles"].as<bool>();
-        cout << "note: noprealloc may hurt performance in many applications" << endl;
+        log() << "note: noprealloc may hurt performance in many applications" << endl;
     }
     if (params.count("storage.mmapv1.smallFiles")) {
         mmapv1GlobalOptions.smallfiles = params["storage.mmapv1.smallFiles"].as<bool>();