17 const size_t kHugePageSize = 2 * 1024 * 1024;
24 bool CheckMemoryAllocated(size_t allocated, size_t expected) {  in CheckMemoryAllocated()
28   size_t max_expected = expected + expected / 10;  in CheckMemoryAllocated()
32 void MemoryAllocatedBytesTest(size_t huge_page_size) {  in MemoryAllocatedBytesTest()
34   size_t req_sz;  // requested size  in MemoryAllocatedBytesTest()
35   size_t bsz = 32 * 1024;  // block size  in MemoryAllocatedBytesTest()
36   size_t expected_memory_allocated;  in MemoryAllocatedBytesTest()
86 static void ApproximateMemoryUsageTest(size_t huge_page_size) {  in ApproximateMemoryUsageTest()
87   const size_t kBlockSize = 4096;  in ApproximateMemoryUsageTest()
88   const size_t kEntrySize = kBlockSize / 8;  in ApproximateMemoryUsageTest()
89   const size_t kZero = 0;  in ApproximateMemoryUsageTest()
94   const size_t kAlignUnit = alignof(max_align_t);  in ApproximateMemoryUsageTest()
122   for (size_t i = 1; i < num_blocks; ++i) {  in ApproximateMemoryUsageTest()
137 static void SimpleTest(size_t huge_page_size) {  in SimpleTest()
138   std::vector<std::pair<size_t, char*>> allocated;  in SimpleTest()
141   size_t bytes = 0;  in SimpleTest()
144     size_t s;  in SimpleTest()
175     size_t num_bytes = allocated[i].first;  in SimpleTest()