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Subject: Re: [PATCH v11 05/15] HMM: introduce heterogeneous memory management
 v5.
References: <1445461210-2605-1-git-send-email-jglisse@redhat.com>
 <1445461210-2605-6-git-send-email-jglisse@redhat.com>
From: Randy Dunlap <rdunlap@infradead.org>
Message-ID: <5627F31B.8060502@infradead.org>
Date: Wed, 21 Oct 2015 13:18:35 -0700
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To: =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>, joro@8bytes.org, Mel Gorman <mgorman@suse.de>, "H. Peter Anvin" <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>, Andrea Arcangeli <aarcange@redhat.com>, Johannes Weiner <jweiner@redhat.com>, Larry Woodman <lwoodman@redhat.com>, Rik van Riel <riel@redhat.com>, Dave Airlie <airlied@redhat.com>, Brendan Conoboy <blc@redhat.com>, Joe Donohue <jdonohue@redhat.com>, Christophe Harle <charle@nvidia.com>, Duncan Poole <dpoole@nvidia.com>, Sherry Cheung <SCheung@nvidia.com>, Subhash Gutti <sgutti@nvidia.com>, John Hubbard <jhubbard@nvidia.com>, Mark Hairgrove <mhairgrove@nvidia.com>, Lucien Dunning <ldunning@nvidia.com>, Cameron Buschardt <cabuschardt@nvidia.com>, Arvind Gopalakrishnan <arvindg@nvidia.com>, Haggai Eran <haggaie@mellanox.com>, Shachar Raindel <raindel@mellanox.com>, Liran Liss <liranl@mellanox.com>, Roland Dreier <roland@purestorage.com>, Ben Sander <ben.sander@amd.com>, Greg Stoner <Greg.Stoner@amd.com>, John Bridgman <John.Bridgman@amd.com>, Michael Mantor <Michael.Mantor@amd.com>, Paul Blinzer <Paul.Blinzer@amd.com>, Leonid Shamis <Leonid.Shamis@amd.com>, Laurent Morichetti <Laurent.Morichetti@amd.com>, Alexander Deucher <Alexander.Deucher@amd.com>, Jatin Kumar <jakumar@nvidia.com>

On 10/21/15 14:00, Jerome Glisse wrote:

> diff --git a/mm/Kconfig b/mm/Kconfig
> index 0d9fdcd..10ed2de 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -680,3 +680,15 @@ config ZONE_DEVICE
>  
>  config FRAME_VECTOR
>  	bool
> +
> +config HMM
> +	bool "Enable heterogeneous memory management (HMM)"
> +	depends on MMU
> +	select MMU_NOTIFIER
> +	default n
> +	help
> +	  Heterogeneous memory management provide infrastructure for a device

	                                  provides

> +	  to mirror a process address space into an hardware mmu or into any

	                                    into a hardware MMU

> +	  things supporting pagefault like event.
> +
> +	  If unsure, say N to disable hmm.

	                              HMM.


-- 
~Randy

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