Minimum size of allocation in case of /dev/dax device is 2 MB

The minimum size of an allocation in case of a /dev/dax device is 2 MB.

Signed-off-by: Lukasz Dorau <[email protected]>

Author: ldorau

test/ipcFixtures.hpp

@@ -22,8 +22,11 @@
 
 #ifdef UMF_TEST_PROVIDER_FREE_NOT_SUPPORTED
 #define get_umf_result_of_free(expected_result) UMF_RESULT_ERROR_NOT_SUPPORTED
+// the minimum size for a /dev/dax device
+constexpr size_t COMMON_SIZE = 2 * 1024 * 1024; // 2MB
 #else
 #define get_umf_result_of_free(expected_result) (expected_result)
+constexpr size_t COMMON_SIZE = 100;
 #endif
 
 class MemoryAccessor {
@@ -164,7 +167,7 @@ TEST_P(umfIpcTest, GetIPCHandleSizeInvalidArgs) {
 }
 
 TEST_P(umfIpcTest, GetIPCHandleInvalidArgs) {
-    constexpr size_t SIZE = 100;
+    constexpr size_t SIZE = COMMON_SIZE;
     umf_ipc_handle_t ipcHandle = nullptr;
     size_t handleSize = 0;
     umf_result_t ret = umfGetIPCHandle(nullptr, &ipcHandle, &handleSize);
@@ -189,7 +192,7 @@ TEST_P(umfIpcTest, GetIPCHandleInvalidArgs) {
 }
 
 TEST_P(umfIpcTest, BasicFlow) {
-    constexpr size_t SIZE = 100;
+    constexpr size_t SIZE = COMMON_SIZE;
     std::vector<int> expected_data(SIZE);
     umf::pool_unique_handle_t pool = makePool();
     int *ptr = (int *)umfPoolMalloc(pool.get(), SIZE * sizeof(int));
@@ -263,7 +266,7 @@ TEST_P(umfIpcTest, BasicFlow) {
 }
 
 TEST_P(umfIpcTest, GetPoolByOpenedHandle) {
-    constexpr size_t SIZE = 100;
+    constexpr size_t SIZE = COMMON_SIZE;
     constexpr size_t NUM_ALLOCS = 100;
     constexpr size_t NUM_POOLS = 4;
     void *ptrs[NUM_ALLOCS];
@@ -321,7 +324,7 @@ TEST_P(umfIpcTest, GetPoolByOpenedHandle) {
 }
 
 TEST_P(umfIpcTest, AllocFreeAllocTest) {
-    constexpr size_t SIZE = 64 * 1024;
+    constexpr size_t SIZE = (64 * 1024 > COMMON_SIZE) ? 64 * 1024 : COMMON_SIZE;
     umf::pool_unique_handle_t pool = makePool();
     void *ptr = umfPoolMalloc(pool.get(), SIZE);
     EXPECT_NE(ptr, nullptr);
@@ -381,7 +384,7 @@ TEST_P(umfIpcTest, AllocFreeAllocTest) {
 }
 
 TEST_P(umfIpcTest, openInTwoPools) {
-    constexpr size_t SIZE = 100;
+    constexpr size_t SIZE = COMMON_SIZE;
     std::vector<int> expected_data(SIZE);
     umf::pool_unique_handle_t pool1 = makePool();
     umf::pool_unique_handle_t pool2 = makePool();
@@ -435,7 +438,7 @@ TEST_P(umfIpcTest, openInTwoPools) {
 
 TEST_P(umfIpcTest, ConcurrentGetPutHandles) {
     std::vector<void *> ptrs;
-    constexpr size_t ALLOC_SIZE = 100;
+    constexpr size_t ALLOC_SIZE = COMMON_SIZE;
     constexpr size_t NUM_POINTERS = 100;
     umf::pool_unique_handle_t pool = makePool();
 
@@ -483,7 +486,7 @@ TEST_P(umfIpcTest, ConcurrentGetPutHandles) {
 
 TEST_P(umfIpcTest, ConcurrentOpenCloseHandles) {
     std::vector<void *> ptrs;
-    constexpr size_t ALLOC_SIZE = 100;
+    constexpr size_t ALLOC_SIZE = COMMON_SIZE;
     constexpr size_t NUM_POINTERS = 100;
     umf::pool_unique_handle_t pool = makePool();