drm/nouveau/kms/nv04: use vzalloc for nv04_display

The struct is giant, and triggers an order-7 allocation (512K). There is no reason for this to be kmalloc-type memory, so switch to vmalloc. This should help loading nouveau on low-memory and/or long-running systems. Reported-by: Nathan E. Egge <[email protected]> Signed-off-by: Ilia Mirkin <[email protected]> Cc: [email protected] Signed-off-by: Ben Skeggs <[email protected]> Reviewed-by: Karol Herbst <[email protected]> Signed-off-by: Karol Herbst <[email protected]> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/10
josf · Nov 12, 2021 · bd6e07e · bd6e07e
1 parent 5d96a01
commit bd6e07e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -205,7 +205,7 @@ nv04_display_destroy(struct drm_device *dev)
 	nvif_notify_dtor(&disp->flip);
 
 	nouveau_display(dev)->priv = NULL;
-	kfree(disp);
+	vfree(disp);
 
 	nvif_object_unmap(&drm->client.device.object);
 }
@@ -223,7 +223,7 @@ nv04_display_create(struct drm_device *dev)
 	struct nv04_display *disp;
 	int i, ret;
 
-	disp = kzalloc(sizeof(*disp), GFP_KERNEL);
+	disp = vzalloc(sizeof(*disp));
 	if (!disp)
 		return -ENOMEM;