diff options
| -rw-r--r-- | util/mmap_posix.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/util/mmap_posix.cpp b/util/mmap_posix.cpp index 4b6d0f5c3f9..25deb871f92 100644 --- a/util/mmap_posix.cpp +++ b/util/mmap_posix.cpp @@ -71,6 +71,9 @@ namespace mongo { view = mmap(NULL, length, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); if ( view == MAP_FAILED ) { out() << " mmap() failed for " << filename << " len:" << length << " errno:" << errno << endl; + if ( errno == ENOMEM ){ + out() << " mmap failed with out of memory, if you're using 32-bits, then you probably need to upgrade to 64" << endl; + } return 0; } return view; |