SWDEV-440004 - Fix Unit_hipHostMalloc_AllocateUseMoreThanAvailGPUMemory

int(32bit -2147483648～2147483647) could overflow if allocated size >= 2GB(2147483648).
Use size_t instead.

Change-Id: I1511574464b96fcb09eae18daa5ee9f56d817505
Signed-off-by: Lang Yu <Lang.Yu@amd.com>


[ROCm/hip-tests commit: c7aa062b66]

projects/hip-tests/catch/unit/memory/hipHostMalloc.cc

@@ -48,7 +48,7 @@ static constexpr size_t sizeBytes{numElements * sizeof(int)};
 
 #if HT_AMD
 static __global__ void kerTestMemAccess(char *buf) {
-  int myId = threadIdx.x + blockDim.x * blockIdx.x;
+  size_t myId = threadIdx.x + blockDim.x * blockIdx.x;
   buf[myId] = VALUE;
 }
 #endif