From: Andrew Morton <akpm@linux-foundation.org>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Jan Kara <jack@suse.com>,
linux-media@vger.kernel.org,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
linux-samsung-soc@vger.kernel.org, linux-mm@kvack.org,
Jan Kara <jack@suse.cz>
Subject: Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper
Date: Fri, 17 Jul 2015 13:26:51 -0700 [thread overview]
Message-ID: <20150717132651.18aee9571f267200b9ad15f4@linux-foundation.org> (raw)
In-Reply-To: <55A8D7AC.3060709@xs4all.nl>
On Fri, 17 Jul 2015 12:23:40 +0200 Hans Verkuil <hverkuil@xs4all.nl> wrote:
> On 07/13/2015 04:55 PM, Jan Kara wrote:
> > From: Jan Kara <jack@suse.cz>
> >
> > Provide new function get_vaddr_frames(). This function maps virtual
> > addresses from given start and fills given array with page frame numbers of
> > the corresponding pages. If given start belongs to a normal vma, the function
> > grabs reference to each of the pages to pin them in memory. If start
> > belongs to VM_IO | VM_PFNMAP vma, we don't touch page structures. Caller
> > must make sure pfns aren't reused for anything else while he is using
> > them.
> >
> > This function is created for various drivers to simplify handling of
> > their buffers.
> >
> > Acked-by: Mel Gorman <mgorman@suse.de>
> > Acked-by: Vlastimil Babka <vbabka@suse.cz>
> > Signed-off-by: Jan Kara <jack@suse.cz>
>
> I'd like to see an Acked-by from Andrew or mm-maintainers before I merge this.
I think I already acked this but it got lost.
Acked-by: Andrew Morton <akpm@linux-foundation.org>
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next prev parent reply other threads:[~2015-07-17 20:26 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-13 14:55 [PATCH 0/9 v7] Helper to abstract vma handling in media layer Jan Kara
2015-07-13 14:55 ` [PATCH 1/9] [media] vb2: Push mmap_sem down to memops Jan Kara
2015-07-13 14:55 ` [PATCH 2/9] mm: Provide new get_vaddr_frames() helper Jan Kara
2015-07-17 10:23 ` Hans Verkuil
2015-07-17 20:26 ` Andrew Morton [this message]
2015-07-13 14:55 ` [PATCH 3/9] media: omap_vout: Convert omap_vout_uservirt_to_phys() to use get_vaddr_pfns() Jan Kara
2015-07-13 14:55 ` [PATCH 4/9] vb2: Provide helpers for mapping virtual addresses Jan Kara
2015-07-13 14:55 ` [PATCH 5/9] media: vb2: Convert vb2_dma_sg_get_userptr() to use frame vector Jan Kara
2015-07-13 14:55 ` [PATCH 6/9] media: vb2: Convert vb2_vmalloc_get_userptr() " Jan Kara
2015-07-13 14:55 ` [PATCH 7/9] media: vb2: Convert vb2_dc_get_userptr() " Jan Kara
2015-07-13 14:55 ` [PATCH 8/9] media: vb2: Remove unused functions Jan Kara
2015-07-13 14:55 ` [PATCH 9/9] drm/exynos: Convert g2d_userptr_get_dma_addr() to use get_vaddr_frames() Jan Kara
2015-07-17 10:20 ` Hans Verkuil
2015-07-17 10:29 ` Inki Dae
2015-07-17 10:31 ` Hans Verkuil
2015-07-18 3:14 ` Inki Dae
2015-07-20 8:03 ` Jan Kara
2015-07-13 14:59 ` [PATCH 0/9 v7] Helper to abstract vma handling in media layer Hans Verkuil
2015-07-17 12:08 ` Hans Verkuil
-- strict thread matches above, loose matches on Subject: below --
2015-05-13 13:08 [PATCH 0/9 v5] " Jan Kara
2015-05-13 13:08 ` [PATCH 2/9] mm: Provide new get_vaddr_frames() helper Jan Kara
2015-05-28 23:24 ` Andrew Morton
2015-06-01 12:40 ` Jan Kara
2015-06-01 13:02 ` Hans Verkuil
2015-06-02 15:23 ` Jan Kara
2015-06-02 22:29 ` Andrew Morton
2015-06-03 9:34 ` Jan Kara
2015-05-06 7:28 [PATCH 0/9 v4] Helper to abstract vma handling in media layer Jan Kara
2015-05-06 7:28 ` [PATCH 2/9] mm: Provide new get_vaddr_frames() helper Jan Kara
2015-05-06 10:45 ` Vlastimil Babka
2015-05-06 14:58 ` Jan Kara
2015-05-08 14:49 ` Mel Gorman
2015-05-11 14:00 ` Jan Kara
2015-05-11 14:47 ` Mel Gorman
2015-05-05 16:01 [PATCH 0/9 v3] Helper to abstract vma handling in media layer Jan Kara
2015-05-05 16:01 ` [PATCH 2/9] mm: Provide new get_vaddr_frames() helper Jan Kara
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