X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=folly%2FIndexedMemPool.h;h=d03c35c65cc574a3a80ef7375de61324d8cbb58a;hb=fd915b73606e09a5f46a1bca0a5d3643a1567014;hp=a668627ed817ee54562585a84ba9d3b36cd967a7;hpb=9b5a1e4b0de245bdd2315f90a3ffd3888ee40ec2;p=folly.git

diff --git a/folly/IndexedMemPool.h b/folly/IndexedMemPool.h
index a668627e..d03c35c6 100644
--- a/folly/IndexedMemPool.h
+++ b/folly/IndexedMemPool.h
@@ -121,7 +121,7 @@ struct IndexedMemPool : boost::noncopyable {
     slots_ = static_cast<Slot*>(mmap(nullptr, mmapLength_,
                                      PROT_READ | PROT_WRITE,
                                      MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
-    if (slots_ == nullptr) {
+    if (slots_ == MAP_FAILED) {
       assert(errno == ENOMEM);
       throw std::bad_alloc();
     }