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| author | Stefano Garzarella <sgarzare@redhat.com> | 2020-12-15 15:42:53 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-12-18 16:14:29 -0500 |
| commit | 165be1f80b8807687f7426d3f36f1031d633e979 (patch) | |
| tree | 495cd06b8f8dd78fa531e3d5d6ea2f49703d3ff3 /drivers/vdpa/vdpa_sim | |
| parent | b240491b7a48028fb67e5377ffd1be21e9260c4e (diff) | |
| download | linux-stable-165be1f80b8807687f7426d3f36f1031d633e979.tar.gz linux-stable-165be1f80b8807687f7426d3f36f1031d633e979.tar.bz2 linux-stable-165be1f80b8807687f7426d3f36f1031d633e979.zip | |
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/vdpa_sim')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 |
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); |