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Date:   Mon, 11 Feb 2019 12:34:17 -0800
From:   Davidlohr Bueso <>
Cc:,,, Daniel Borkmann <>,,
        Mike Marciniszyn <>,
        Dennis Dalessandro <>,
        Doug Ledford <>,
        Jason Gunthorpe <>,
        Andrew Morton <>,
        "Kirill A. Shutemov" <>,
        Dan Williams <>
Subject: Re: [PATCH 0/3] Add gup fast + longterm and use it in HFI1

On Mon, 11 Feb 2019, wrote:
>Ira Weiny (3):
>  mm/gup: Change "write" parameter to flags
>  mm/gup: Introduce get_user_pages_fast_longterm()
>  IB/HFI1: Use new get_user_pages_fast_longterm()

Out of curiosity, are you planning on having all rdma drivers
use get_user_pages_fast_longterm()? Ie:

hw/mthca/mthca_memfree.c:       ret = get_user_pages_fast(uaddr & PAGE_MASK, 1, FOLL_WRITE, pages);
hw/qib/qib_user_sdma.c:         ret = get_user_pages_fast(addr, j, 0, pages);


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