tests: hash-large: use private mmap()

This reduces the memory usage of the test significantly on Linux.

diff --git a/tests/slow/hash-large.c b/tests/slow/hash-large.c
index 96ebd537659cae5ab726fc5a5ef0cddd4230e76c..3a563b781ad398612dfce702ecbbaaf02bf47239 100644 (file)
--- a/tests/slow/hash-large.c
+++ b/tests/slow/hash-large.c
@@ -41,7 +41,7 @@ static size_t _mmap_size;
 static void *get_mem(size_t size)
 {
        _mmap_size = size;
-       return mmap(NULL, size, PROT_READ, MAP_SHARED|MAP_ANONYMOUS, -1, 0);
+       return mmap(NULL, size, PROT_READ, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
 }
 
 static void put_mem(void *mem)