On 09/17/2015 02:42 AM, Sagi Grimberg wrote:
The new fast registration verg ib_map_mr_sg receives a scatterlist
^ verb ?
+/**
+ * ib_map_mr_sg() - Map a memory region with the largest prefix of
+ * a dma mapped SG list
This description could be made more clear. How about the following:
Register the largest possible prefix of a DMA-mapped SG-list
+ } else if (last_page_off + dma_len < mr->page_size) {
+ /* chunk this fragment with the last */
+ last_end_dma_addr += dma_len;
+ last_page_off += dma_len;
+ mr->length += dma_len;
+ continue;
Shouldn't this code update last_page_addr ?
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