linux-kernel - Re: [PATCH 4/8] IB/odp/hmm: add new kernel option to use HMM for ODP.

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Date:	Tue, 21 Jul 2015 13:37:57 +0300
From:	Haggai Eran <haggaie@...lanox.com>
To:	Jérôme Glisse <jglisse@...hat.com>,
	<linux-kernel@...r.kernel.org>, <linux-rdma@...r.kernel.org>
CC:	Christophe Harle <charle@...dia.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>,
	Shachar Raindel <raindel@...lanox.com>,
	Liran Liss <liranl@...lanox.com>
Subject: Re: [PATCH 4/8] IB/odp/hmm: add new kernel option to use HMM for
 ODP.

On 17/07/2015 22:01, Jérôme Glisse wrote:
> This is a preparatory patch for HMM implementation of ODP (on demand
> paging). It introduce a new configure option and add proper build
> time conditional code section. Enabling INFINIBAND_ON_DEMAND_PAGING_HMM
> will result in build error with this patch.
> 
> Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
> ---
...
> diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h
> index 3da0b16..765aeb3 100644

> @@ -100,28 +124,13 @@ void ib_umem_odp_release(struct ib_umem *umem);
>  
>  #define ODP_DMA_ADDR_MASK (~(ODP_READ_ALLOWED_BIT | ODP_WRITE_ALLOWED_BIT))
>  
> +
Please avoid adding double blank lines. You can find more of these by
running checkpatch on the patch.

Other than that:
Reviewed-by: Haggai Eran <haggaie@...lanox.com>
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