linux-kernel - Re: [PATCH v3] RDMA/umem: minor bug fix in error handling path

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Message-ID: <20190304195351.GK15253@mtr-leonro.mtl.com>
Date:   Mon, 4 Mar 2019 21:53:51 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     john.hubbard@...il.com
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        John Hubbard <jhubbard@...dia.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Doug Ledford <dledford@...hat.com>, linux-rdma@...r.kernel.org
Subject: Re: [PATCH v3] RDMA/umem: minor bug fix in error handling path

On Mon, Mar 04, 2019 at 11:46:45AM -0800, john.hubbard@...il.com wrote:
> From: John Hubbard <jhubbard@...dia.com>
>
> 1. Bug fix: fix an off by one error in the code that
> cleans up if it fails to dma-map a page, after having
> done a get_user_pages_remote() on a range of pages.
>
> 2. Refinement: for that same cleanup code, release_pages()
> is better than put_page() in a loop.
>
> Cc: Leon Romanovsky <leon@...nel.org>
> Cc: Ira Weiny <ira.weiny@...el.com>
> Cc: Jason Gunthorpe <jgg@...pe.ca>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Doug Ledford <dledford@...hat.com>
> Cc: linux-rdma@...r.kernel.org
> Cc: linux-mm@...ck.org
> Signed-off-by: John Hubbard <jhubbard@...dia.com>
> ---
>  drivers/infiniband/core/umem_odp.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
>

Thanks,
Acked-by: Leon Romanovsky <leonro@...lanox.com>

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