[dm-devel] [PATCH v11 2/9] block: Add copy offload support infrastructure

[Matthew Wilcox]

On Mon, May 22, 2023 at 04:11:33PM +0530, Nitesh Shetty wrote:
> +		token = alloc_page(gfp_mask);

Why is PAGE_SIZE the right size for 'token'?  That seems quite unlikely.
I could understand it being SECTOR_SIZE or something that's dependent on
the device, but I cannot fathom it being dependent on the host' page size.