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-rw-r--r--drivers/acpi/utilities/utcache.c8
1 files changed, 8 insertions, 0 deletions
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 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
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);
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