[PATCH] drm/virtio: use kvmalloc for large allocations

Sergey Senozhatsky sergey.senozhatsky.work at gmail.com
Thu Nov 5 07:00:54 UTC 2020


Hi,

On (20/11/05 07:52), Gerd Hoffmann wrote:
> > -	*ents = kmalloc_array(*nents, sizeof(struct virtio_gpu_mem_entry),
> > -			      GFP_KERNEL);
> > +	*ents = kvmalloc_array(*nents,
> > +			       sizeof(struct virtio_gpu_mem_entry),
> > +			       GFP_KERNEL);
> 
> Shouldn't that be balanced with a kvfree() elsewhere?

I think it already is. ents pointer is assigned to vbuf->data_buf,
and free_vbuf() already uses kvfree(vbuf->data_buf) to free it.

	-ss


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