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Date:   Tue, 20 Aug 2019 00:36:47 +0530
From:   Bharath Vedartham <linux.bhar@gmail.com>
To:     Dimitri Sivanich <sivanich@hpe.com>
Cc:     jhubbard@nvidia.com, jglisse@redhat.com, ira.weiny@intel.com,
        gregkh@linuxfoundation.org, arnd@arndb.de,
        william.kucharski@oracle.com, hch@lst.de,
        inux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        linux-kernel@vger.kernel.org
Subject: Re: [Linux-kernel-mentees][PATCH v6 1/2] sgi-gru: Convert put_page()
 to put_user_page*()
Message-ID: <20190819190647.GA6261@bharath12345-Inspiron-5559>
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 <20190819125611.GA5808@hpe.com>
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On Mon, Aug 19, 2019 at 07:56:11AM -0500, Dimitri Sivanich wrote:
> Reviewed-by: Dimitri Sivanich <sivanich@hpe.com>
Thanks!

John, would you like to take this patch into your miscellaneous
conversions patch set?

Thank you
Bharath
> On Mon, Aug 19, 2019 at 01:08:54AM +0530, Bharath Vedartham wrote:
> > For pages that were retained via get_user_pages*(), release those pages
> > via the new put_user_page*() routines, instead of via put_page() or
> > release_pages().
> > 
> > This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
> > ("mm: introduce put_user_page*(), placeholder versions").
> > 
> > Cc: Ira Weiny <ira.weiny@intel.com>
> > Cc: John Hubbard <jhubbard@nvidia.com>
> > Cc: J?r?me Glisse <jglisse@redhat.com>
> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Cc: Dimitri Sivanich <sivanich@sgi.com>
> > Cc: Arnd Bergmann <arnd@arndb.de>
> > Cc: William Kucharski <william.kucharski@oracle.com>
> > Cc: Christoph Hellwig <hch@lst.de>
> > Cc: linux-kernel@vger.kernel.org
> > Cc: linux-mm@kvack.org
> > Cc: linux-kernel-mentees@lists.linuxfoundation.org
> > Reviewed-by: Ira Weiny <ira.weiny@intel.com>
> > Reviewed-by: John Hubbard <jhubbard@nvidia.com>
> > Reviewed-by: William Kucharski <william.kucharski@oracle.com>
> > Signed-off-by: Bharath Vedartham <linux.bhar@gmail.com>
> > ---
> >  drivers/misc/sgi-gru/grufault.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
> > index 4b713a8..61b3447 100644
> > --- a/drivers/misc/sgi-gru/grufault.c
> > +++ b/drivers/misc/sgi-gru/grufault.c
> > @@ -188,7 +188,7 @@ static int non_atomic_pte_lookup(struct vm_area_struct *vma,
> >  	if (get_user_pages(vaddr, 1, write ? FOLL_WRITE : 0, &page, NULL) <= 0)
> >  		return -EFAULT;
> >  	*paddr = page_to_phys(page);
> > -	put_page(page);
> > +	put_user_page(page);
> >  	return 0;
> >  }
> >  
> > -- 
> > 2.7.4
> >