From bd6e07e72f37f34535bec7eebc807e5fcfe37b43 Mon Sep 17 00:00:00 2001
From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Sun, 7 Mar 2021 12:48:53 -0500
Subject: [PATCH] drm/nouveau/kms/nv04: use vzalloc for nv04_display
Git-commit: bd6e07e72f37f34535bec7eebc807e5fcfe37b43
Patch-mainline: v5.17-rc1
References: git-fixes
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
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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;
--
2.31.1