ACPICA: Enhance debugger statistics/memory command.

Debugger: Enhanced the Statistics/Memory command to emit the
total (maximum) memory used during execution, as well as the
maximum memory consumed by each of the various object types.

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 1a1f810..d796fca 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -289,6 +289,14 @@
 
 		ACPI_MEM_TRACKING(cache->total_allocated++);
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+		if ((cache->total_allocated - cache->total_freed) >
+		    cache->max_occupied) {
+			cache->max_occupied =
+			    cache->total_allocated - cache->total_freed;
+		}
+#endif
+
 		/* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
 
 		status = acpi_ut_release_mutex(ACPI_MTX_CACHES);