Re: [PATCH RFC 08/12] vdpa_sim: use kvmalloc to allocate vdpasim->buffer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 2020/11/13 下午9:47, Stefano Garzarella wrote:
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().

Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>


Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks


---
  drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 9c29c2013661..bd034fbf4683 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -223,7 +223,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_init_attr *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;
@@ -495,7 +495,7 @@ 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);

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization




[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux