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| author | Hieu Hoang <hieuhoang@gmail.com> | 2016-04-10 15:25:17 +0300 |
|---|---|---|
| committer | Hieu Hoang <hieuhoang@gmail.com> | 2016-04-10 15:25:17 +0300 |
| commit | ba0a3d92f4ef6b14b76e859a43487adc8321d263 (patch) | |
| tree | 88a9809fa3ec3faeddf85fe11358a74c847fe02f /util | |
| parent | 2abb9a2779fd3f742f22a5a4ede213e03bdb64ad (diff) | |
compile error on old linux machines (Redhat 6.2)
Diffstat (limited to 'util')
| -rw-r--r-- | util/mmap.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/util/mmap.cc b/util/mmap.cc index d89f3f600..cdf92c731 100644 --- a/util/mmap.cc +++ b/util/mmap.cc @@ -173,8 +173,10 @@ bool TryHuge(std::size_t size, uint8_t alignment_bits, bool populate, util::scop // Second try: manually configured hugetlb pages exist, but kernel too old to // pick size or not available. This might pick the wrong size huge pages, // but the sysadmin must have made them available in the first place. +#ifdef MAP_HUGETLB if (AnonymousMap(size, MAP_HUGETLB, populate, to)) return true; +#endif // Third try: align to a multiple of the huge page size by overallocating. // I feel bad about doing this, but it's also how posix_memalign is |