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-rw-r--r--mmap-perf/mmapPerf.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/mmap-perf/mmapPerf.cpp b/mmap-perf/mmapPerf.cpp
index d7627e28..e0f60529 100644
--- a/mmap-perf/mmapPerf.cpp
+++ b/mmap-perf/mmapPerf.cpp
@@ -14,7 +14,7 @@
#include <sys/mman.h>
using namespace std;
-static const size_t pageSize = PAGE_SIZE;
+static const size_t pageSize = getpagesize();
static size_t fsize = 1024 * (1ull << 20);
static size_t pagesTotal = fsize / pageSize;