[PATCH] drm/nouveau/kms/nv04: use vzalloc for nv04_display

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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 <unlord@xxxxxxxx>
Signed-off-by: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
 drivers/gpu/drm/nouveau/dispnv04/disp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 7739f46470d3..99fee4d8cd31 100644
--- 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;
 
-- 
2.26.2

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