On 04/01/18 02:59 PM, Bjorn Helgaas wrote:
On Thu, Jan 04, 2018 at 12:01:26PM -0700, Logan Gunthorpe wrote:
Some PCI devices may have memory mapped in a BAR space that's
intended for use in Peer-to-Peer transactions. In order to enable
such transactions the memory must be registered with ZONE_DEVICE pages
so it can be used by DMA interfaces in existing drivers.
...
+ * pci_p2pmem_alloc_sgl - allocate p2p memory in an sgl
+ * @pdev: the device to allocate memory from
+ * @sgl: the allocated sgl
+ * @nents: the number of sgs in the list
+ * @length: number of bytes to allocate
Your later patches use "SGL" in English text. If that's the conventional
capitalization, please use it here, too.
I'm not sure there is a convention. scatterlist.h uses 'sglist' and
'scatterlist' so I'll just change my comments to use the latter.
Logan
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