linux-kernel - Re: [HMM-CDM 2/5] mm/hmm: add new helper to hotplug CDM memory region

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Message-ID: <20170615142842.22393df9@firefly.ozlabs.ibm.com>
Date:   Thu, 15 Jun 2017 14:28:42 +1000
From:   Balbir Singh <bsingharora@...il.com>
To:     Jérôme Glisse <jglisse@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        John Hubbard <jhubbard@...dia.com>,
        David Nellans <dnellans@...dia.com>
Subject: Re: [HMM-CDM 2/5] mm/hmm: add new helper to hotplug CDM memory
 region

On Wed, 14 Jun 2017 16:11:41 -0400
Jérôme Glisse <jglisse@...hat.com> wrote:

> Unlike unaddressable memory, coherent device memory has a real
> resource associated with it on the system (as CPU can address
> it). Add a new helper to hotplug such memory within the HMM
> framework.
> 
> Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
> ---

Looks good to me

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