Fix setting memory limit above 2GiB

src/drivers/cpu/driver_cpu.c

@@ -192,7 +192,7 @@ _starpu_get_worker_from_driver(struct starpu_driver *d)
 static size_t _starpu_cpu_get_global_mem_size(int devid, struct _starpu_machine_config *config)
 {
 	size_t global_mem;
-	int limit;
+	ssize_t limit;
 
 	limit = starpu_get_env_number("STARPU_LIMIT_CPU_MEM");
 #ifdef STARPU_DEVEL

src/drivers/cuda/driver_cuda.c

@@ -73,7 +73,7 @@ _starpu_cuda_discover_devices (struct _starpu_machine_config *config)
  */
 static void _starpu_cuda_limit_gpu_mem_if_needed(unsigned devid)
 {
-	int limit;
+	ssize_t limit;
 	size_t STARPU_ATTRIBUTE_UNUSED totalGlobalMem = 0;
 	size_t STARPU_ATTRIBUTE_UNUSED to_waste = 0;
 	char name[30];
@@ -101,8 +101,8 @@ static void _starpu_cuda_limit_gpu_mem_if_needed(unsigned devid)
 	props[devid].totalGlobalMem -= to_waste;
 #endif /* STARPU_USE_CUDA */
 
-	_STARPU_DEBUG("CUDA device %u: Wasting %ld MB / Limit %d MB / Total %ld MB / Remains %ld MB\n",
-			devid, (long) to_waste/(1024*1024), limit, (long) totalGlobalMem/(1024*1024),
+	_STARPU_DEBUG("CUDA device %u: Wasting %ld MB / Limit %ld MB / Total %ld MB / Remains %ld MB\n",
+			devid, (long) to_waste/(1024*1024), (long) limit, (long) totalGlobalMem/(1024*1024),
 			(long) (totalGlobalMem - to_waste)/(1024*1024));
 }
 

src/drivers/opencl/driver_opencl.c

@@ -61,7 +61,7 @@ _starpu_opencl_discover_devices(struct _starpu_machine_config *config)
 
 static void _starpu_opencl_limit_gpu_mem_if_needed(unsigned devid)
 {
-	int limit;
+	ssize_t limit;
 	size_t STARPU_ATTRIBUTE_UNUSED totalGlobalMem = 0;
 	size_t STARPU_ATTRIBUTE_UNUSED to_waste = 0;
 	char name[30];
@@ -90,9 +90,9 @@ static void _starpu_opencl_limit_gpu_mem_if_needed(unsigned devid)
 	to_waste = totalGlobalMem - global_mem[devid];
 #endif
 
-	_STARPU_DEBUG("OpenCL device %d: Wasting %ld MB / Limit %d MB / Total %ld MB / Remains %ld MB\n",
-                      devid, (size_t)to_waste/(1024*1024), limit, (size_t)totalGlobalMem/(1024*1024),
-                      (size_t)(totalGlobalMem - to_waste)/(1024*1024));
+	_STARPU_DEBUG("OpenCL device %d: Wasting %ld MB / Limit %ld MB / Total %ld MB / Remains %ld MB\n",
+			devid, (long)to_waste/(1024*1024), (long) limit, (long)totalGlobalMem/(1024*1024),
+			(long)(totalGlobalMem - to_waste)/(1024*1024));
 
 }