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authorStefano Garzarella <sgarzare@redhat.com>2020-12-15 17:42:53 +0300
committerMichael S. Tsirkin <mst@redhat.com>2020-12-19 00:14:29 +0300
commit165be1f80b8807687f7426d3f36f1031d633e979 (patch)
tree495cd06b8f8dd78fa531e3d5d6ea2f49703d3ff3 /drivers/vdpa
parentb240491b7a48028fb67e5377ffd1be21e9260c4e (diff)
downloadlinux-165be1f80b8807687f7426d3f36f1031d633e979.tar.xz
vdpa_sim: use kvmalloc to allocate vdpasim->buffer
The next patch will make the buffer size configurable from each device. Since the buffer could be larger than a page, we use kvmalloc() instead of kmalloc(). Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/r/20201215144256.155342-16-sgarzare@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 19ff5e352782..87529899033a 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -418,7 +418,7 @@ static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr)
if (!vdpasim->iommu)
goto err_iommu;
- vdpasim->buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL);
if (!vdpasim->buffer)
goto err_iommu;
@@ -707,7 +707,7 @@ static void vdpasim_free(struct vdpa_device *vdpa)
struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
cancel_work_sync(&vdpasim->work);
- kfree(vdpasim->buffer);
+ kvfree(vdpasim->buffer);
if (vdpasim->iommu)
vhost_iotlb_free(vdpasim->iommu);
kfree(vdpasim->vqs);