linux-kernel - Re: [PATCH 05/36] HMM: introduce heterogeneous memory management v3.

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Message-ID: <20150527143821.GC1948@gmail.com>
Date:	Wed, 27 May 2015 10:38:22 -0400
From:	Jerome Glisse <j.glisse@...il.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Linus Torvalds <torvalds@...ux-foundation.org>,
	joro@...tes.org, Mel Gorman <mgorman@...e.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <jweiner@...hat.com>,
	Larry Woodman <lwoodman@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Dave Airlie <airlied@...hat.com>,
	Brendan Conoboy <blc@...hat.com>,
	Joe Donohue <jdonohue@...hat.com>,
	Duncan Poole <dpoole@...dia.com>,
	Sherry Cheung <SCheung@...dia.com>,
	Subhash Gutti <sgutti@...dia.com>,
	John Hubbard <jhubbard@...dia.com>,
	Mark Hairgrove <mhairgrove@...dia.com>,
	Lucien Dunning <ldunning@...dia.com>,
	Cameron Buschardt <cabuschardt@...dia.com>,
	Arvind Gopalakrishnan <arvindg@...dia.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Shachar Raindel <raindel@...lanox.com>,
	Liran Liss <liranl@...lanox.com>,
	Roland Dreier <roland@...estorage.com>,
	Ben Sander <ben.sander@....com>,
	Greg Stoner <Greg.Stoner@....com>,
	John Bridgman <John.Bridgman@....com>,
	Michael Mantor <Michael.Mantor@....com>,
	Paul Blinzer <Paul.Blinzer@....com>,
	Laurent Morichetti <Laurent.Morichetti@....com>,
	Alexander Deucher <Alexander.Deucher@....com>,
	Oded Gabbay <Oded.Gabbay@....com>,
	Jérôme Glisse <jglisse@...hat.com>,
	Jatin Kumar <jakumar@...dia.com>, linux-rdma@...r.kernel.org
Subject: Re: [PATCH 05/36] HMM: introduce heterogeneous memory management v3.

On Wed, May 27, 2015 at 11:20:05AM +0530, Aneesh Kumar K.V wrote:
> j.glisse@...il.com writes:

Noted your grammar fixes.

> > diff --git a/mm/Kconfig b/mm/Kconfig
> > index 52ffb86..189e48f 100644
> > --- a/mm/Kconfig
> > +++ b/mm/Kconfig
> > @@ -653,3 +653,18 @@ config DEFERRED_STRUCT_PAGE_INIT
> >  	  when kswapd starts. This has a potential performance impact on
> >  	  processes running early in the lifetime of the systemm until kswapd
> >  	  finishes the initialisation.
> > +
> > +if STAGING
> > +config HMM
> > +	bool "Enable heterogeneous memory management (HMM)"
> > +	depends on MMU
> > +	select MMU_NOTIFIER
> > +	select GENERIC_PAGE_TABLE
> 
> What is GENERIC_PAGE_TABLE ?

Let over of when patch 0006 what a seperate feature that was introduced
before this patch. I failed to remove that chunk. Just ignore it.

Cheers,
Jérôme
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