From: Jason Gunthorpe <jgg@nvidia.com>
To: Zhu Yanjun <zyjzyj2000@gmail.com>
Cc: Leon Romanovsky <leon@kernel.org>,
Doug Ledford <dledford@redhat.com>,
RDMA mailing list <linux-rdma@vger.kernel.org>,
maorg@nvidia.com
Subject: Re: Fwd: [PATCH 1/1] RDMA/umem: add back hugepage sg list
Date: Mon, 8 Mar 2021 08:16:15 -0400 [thread overview]
Message-ID: <20210308121615.GW4247@nvidia.com> (raw)
In-Reply-To: <CAD=hENcjqtXstsa3bbBCZVGF-XgAhPz-1tom68zm7WNatH2mZw@mail.gmail.com>
On Mon, Mar 08, 2021 at 06:13:52PM +0800, Zhu Yanjun wrote:
> And I delved into the source code of __sg_alloc_table_from_pages. I
> found that this function is related with ib_dma_max_seg_size. So
> when ib_dma_max_seg_size is set to UINT_MAX, the sg dma address is
> 4K (one page). When ib_dma_max_seg_size is set to SZ_2M, the sg dma
> address is 2M now.
That seems like a bug, you should fix it
Jason
next prev parent reply other threads:[~2021-03-08 12:17 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210307221034.568606-1-yanjun.zhu@intel.com>
2021-03-07 14:28 ` Fwd: [PATCH 1/1] RDMA/umem: add back hugepage sg list Zhu Yanjun
2021-03-07 17:20 ` Leon Romanovsky
2021-03-07 17:22 ` Leon Romanovsky
2021-03-08 2:44 ` Zhu Yanjun
2021-03-08 10:13 ` Zhu Yanjun
2021-03-08 12:16 ` Jason Gunthorpe [this message]
2021-03-11 10:41 ` Zhu Yanjun
2021-03-12 0:25 ` Jason Gunthorpe
2021-03-12 8:04 ` Zhu Yanjun
2021-03-12 8:05 ` Zhu Yanjun
2021-03-12 13:02 ` Jason Gunthorpe
2021-03-12 13:42 ` Zhu Yanjun
2021-03-12 13:49 ` Zhu Yanjun
2021-03-12 14:01 ` Jason Gunthorpe
2021-03-13 3:02 ` Zhu Yanjun
2021-03-19 13:00 ` Jason Gunthorpe
2021-03-19 13:33 ` Zhu Yanjun
2021-03-19 13:48 ` Jason Gunthorpe
2021-03-20 3:38 ` Zhu Yanjun
2021-03-20 3:49 ` Zhu Yanjun
2021-03-20 20:38 ` Jason Gunthorpe
2021-03-21 8:06 ` Zhu Yanjun
2021-03-21 12:07 ` Jason Gunthorpe
2021-03-21 12:54 ` Zhu Yanjun
2021-03-21 13:03 ` Jason Gunthorpe
2021-03-21 14:38 ` Zhu Yanjun
2021-03-21 15:52 ` Jason Gunthorpe
2021-03-22 5:07 ` Zhu Yanjun
2021-03-08 0:44 ` Jason Gunthorpe
2021-03-08 2:47 ` Zhu Yanjun
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