From c1f40ceabf87ff9687afb0433d6ec797f0e04d43 Mon Sep 17 00:00:00 2001
From: Jan Huwald <jh@sotun.de>
Date: Fri, 14 Jun 2013 13:23:02 +0200
Subject: mmalloc: only alloc via hugetlb memory areas >= 1 GB


diff --git a/mmalloc.hpp b/mmalloc.hpp
index 8e2ac93..37c9af1 100644
--- a/mmalloc.hpp
+++ b/mmalloc.hpp
@@ -45,7 +45,8 @@ void *malloc_mmap(size_t size) {
 template<typename T>
 T* mmalloc() {
   void *r;
-  if ((r = malloc_hugetlbfs(sizeof(T))) == MAP_FAILED)
+  size_t sz = sizeof(T);
+  if ((sz < 1024*1024*1024) || ((r = malloc_hugetlbfs(sizeof(T))) == MAP_FAILED))
     if ((r = malloc_mmap(sizeof(T))) == MAP_FAILED)
       exit(EXIT_FAILURE);
   return (T*) r;
-- 
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