@@ -930,6 +930,8 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file)
spin_lock(&file->table_lock);
idr_for_each_entry (&file->object_idr, obj, id) {
enum drm_gem_object_status s = 0;
+ size_t add_size = (obj->funcs && obj->funcs->rss) ?
+ obj->funcs->rss(obj) : obj->size;
if (obj->funcs && obj->funcs->status) {
s = obj->funcs->status(obj);
@@ -944,7 +946,7 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file)
}
if (s & DRM_GEM_OBJECT_RESIDENT) {
- status.resident += obj->size;
+ status.resident += add_size;
} else {
/* If already purged or not yet backed by pages, don't
* count it as purgeable:
@@ -953,14 +955,14 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file)
}
if (!dma_resv_test_signaled(obj->resv, dma_resv_usage_rw(true))) {
- status.active += obj->size;
+ status.active += add_size;
/* If still active, don't count as purgeable: */
s &= ~DRM_GEM_OBJECT_PURGEABLE;
}
if (s & DRM_GEM_OBJECT_PURGEABLE)
- status.purgeable += obj->size;
+ status.purgeable += add_size;
}
spin_unlock(&file->table_lock);
@@ -208,6 +208,15 @@ struct drm_gem_object_funcs {
*/
enum drm_gem_object_status (*status)(struct drm_gem_object *obj);
+ /**
+ * @rss:
+ *
+ * Return resident size of the object in physical memory.
+ *
+ * Called by drm_show_memory_stats().
+ */
+ size_t (*rss)(struct drm_gem_object *obj);
+
/**
* @vm_ops:
*