linux-kernel - Re: [PATCH v2 00/10] Copy Offload in NVMe Fabrics with P2P PCI Memory

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Message-ID: <0181dbb9-0b63-5a99-0425-ec77fe5b1e3f@deltatee.com>
Date:   Thu, 1 Mar 2018 16:54:51 -0700
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     Jens Axboe <axboe@...nel.dk>, Keith Busch <keith.busch@...el.com>,
        Oliver OHalloran <oliveroh@....ibm.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        linux-rdma <linux-rdma@...r.kernel.org>,
        linux-pci@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-nvme@...ts.infradead.org, linux-block@...r.kernel.org,
        Jérôme Glisse <jglisse@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Max Gurtovoy <maxg@...lanox.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v2 00/10] Copy Offload in NVMe Fabrics with P2P PCI Memory



On 01/03/18 04:26 PM, Benjamin Herrenschmidt wrote:
> The big problem is not the vmemmap, it's the linear mapping.

Ah, yes, ok.

Logan