commit 48fbf91672d096bdec664374d16d65488b77251c
author Elliott Hughes <enh@google.com> Tue Oct 03 21:56:15 2017 +0000
committer Gerrit Code Review <noreply-gerritcodereview@google.com> Tue Oct 03 21:56:15 2017 +0000
tree 250e5ff69984395749478f1bfa230cce90f95355
parent c6021960a4cfe13d5dccdf54daf5a8db343e93d1
parent 575129886c2db6c7ae1dfd2655d2053166049ad1

Merge "Pre-size the vector in the pthread_create ENOMEM test."

tests/pthread_test.cpp

diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index 46140bb..f342577 100755
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -2117,8 +2117,9 @@
 
   const auto kPageSize = sysconf(_SC_PAGE_SIZE);
 
-  // Use up all the VMAs. By default this is 64Ki.
+  // Use up all the VMAs. By default this is 64Ki (though some will already be in use).
   std::vector<void*> pages;
+  pages.reserve(64 * 1024);
   int prot = PROT_NONE;
   while (true) {
     void* page = mmap(nullptr, kPageSize, prot, MAP_ANON|MAP_PRIVATE, -1, 0);