Messages in this thread | | | Date | Wed, 18 May 2022 20:11:11 -0300 | From | Jason Gunthorpe <> | Subject | Re: [EXTERNAL] Re: [PATCH 05/12] net: mana: Set the DMA device max page size |
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On Wed, May 18, 2022 at 09:05:22PM +0000, Ajay Sharma wrote:
> Use the ib_umem_find_best_pgsz() and rdma_for_each_block() API when > registering an MR instead of coding it in the driver.
The dma_set_max_seg_size() has *nothing* to do with ib_umem_find_best_pgsz() other than its value should be larger than the largest set bit.
Again, it is supposed to be the maximum value the HW can support in a ib_sge length field, which is usually 2G.
Jason
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