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

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commit bd6e07e72f upstream.

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@xiph.org>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/10
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilia Mirkin
2021-03-07 12:48:53 -05:00
committed by Greg Kroah-Hartman
parent 605583fccc
commit 8cbbf4a6f1
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/dispnv04/disp.c
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@@ -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;