linux-kernel - Re: [HMM 07/16] mm/migrate: new memory migration helper for use with device memory v4

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Message-ID: <CAKTCnzkpfvUB6xBwxURTHABp7cpTrq_zJaK9Km1YRrPH6LK82A@mail.gmail.com>
Date:   Fri, 17 Mar 2017 07:58:48 +1100
From:   Balbir Singh <bsingharora@...il.com>
To:     Reza Arbab <arbab@...ux.vnet.ibm.com>
Cc:     Jérôme Glisse <jglisse@...hat.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        John Hubbard <jhubbard@...dia.com>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        David Nellans <dnellans@...dia.com>,
        Evgeny Baskakov <ebaskakov@...dia.com>,
        Mark Hairgrove <mhairgrove@...dia.com>,
        Sherry Cheung <SCheung@...dia.com>,
        Subhash Gutti <sgutti@...dia.com>
Subject: Re: [HMM 07/16] mm/migrate: new memory migration helper for use with
 device memory v4

On Fri, Mar 17, 2017 at 3:24 AM, Reza Arbab <arbab@...ux.vnet.ibm.com> wrote:
> On Thu, Mar 16, 2017 at 12:05:26PM -0400, Jérôme Glisse wrote:
>>
>> This patch add a new memory migration helpers, which migrate memory
>> backing a range of virtual address of a process to different memory (which
>> can be allocated through special allocator). It differs from numa migration
>> by working on a range of virtual address and thus by doing migration in
>> chunk that can be large enough to use DMA engine or special copy offloading
>> engine.
>
>
> Reviewed-by: Reza Arbab <arbab@...ux.vnet.ibm.com>
> Tested-by: Reza Arbab <arbab@...ux.vnet.ibm.com>
>


Acked-by: Balbir Singh <bsingharora@...il.com>