X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2Fexperimental%2FAsymmetricMemoryBarrier.cpp;h=55bec5f141bdc17d35d6347c1477b8d8dc9b4ac4;hp=03dc8249526778ef12feaf21c5a44ba6ee1f8eac;hb=fa172175980b13569ba42008202a857af6e959dd;hpb=cc0ca971057edb5e4c8f78946b0c5508395ecc48

diff --git a/folly/experimental/AsymmetricMemoryBarrier.cpp b/folly/experimental/AsymmetricMemoryBarrier.cpp
index 03dc8249..55bec5f1 100644
--- a/folly/experimental/AsymmetricMemoryBarrier.cpp
+++ b/folly/experimental/AsymmetricMemoryBarrier.cpp
@@ -40,7 +40,7 @@ struct DummyPageCreator {
  private:
   static void* create() {
     auto ptr = mmap(nullptr, 1, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-    checkUnixError(reinterpret_cast<uintptr_t>(ptr), "mmap");
+    checkUnixError(reinterpret_cast<ssize_t>(ptr), "mmap");
 
     // Optimistically try to lock the page so it stays resident. Could make
     // the heavy barrier faster.