ACPICA: Added option to display memory statistics upon termination.

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

3 files changed, 14 insertions, 0 deletions

diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index f6cbc0b1bfd0..b716797e6fc4 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include <acpi/acdebug.h>
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utalloc")
@@ -142,6 +143,14 @@ acpi_status acpi_ut_create_caches(void)
 
 acpi_status acpi_ut_delete_caches(void)
 {
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        char buffer[7];
+
+        if (acpi_gbl_display_final_mem_stats) {
+                ACPI_STRCPY(buffer, "MEMORY");
+                acpi_db_display_statistics(buffer);
+        }
+#endif
 
         (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
         acpi_gbl_namespace_cache = NULL;
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 509a85d6b01f..62929f4206be 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -727,6 +727,10 @@ void acpi_ut_init_globals(void)
         acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX;
 #endif
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        acpi_gbl_display_final_mem_stats = FALSE;
+#endif
+
         return_VOID;
 }
 
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index d1a5363ffc40..5b5d43747b98 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -200,6 +200,7 @@ ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock;	/* For ACPI H/W except GPE regis
 
 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
+ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats;
 #endif
 
 /* Object caches */