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

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Message-Id: <20170316162402.rpkulrjcjoxzzlw4@arbab-laptop>
Date:   Thu, 16 Mar 2017 11:24:02 -0500
From:   Reza Arbab <arbab@...ux.vnet.ibm.com>
To:     Jérôme Glisse <jglisse@...hat.com>
Cc:     akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
        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 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>

-- 
Reza Arbab