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Re: [Xen-devel] [PATCH v2 20/34] xen: convert put_page() to put_user_page*()
- To: john.hubbard@xxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
- From: Juergen Gross <jgross@xxxxxxxx>
- Date: Mon, 5 Aug 2019 06:15:27 +0200
- Cc: linux-fbdev@xxxxxxxxxxxxxxx, Jan Kara <jack@xxxxxxx>, kvm@xxxxxxxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, Ira Weiny <ira.weiny@xxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, devel@xxxxxxxxxxxxxxxxxxxx, rds-devel@xxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, devel@xxxxxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, John Hubbard <jhubbard@xxxxxxxxxx>, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, Jérôme Glisse <jglisse@xxxxxxxxxx>, linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
- Delivery-date: Mon, 05 Aug 2019 04:15:57 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 05.08.19 00:49, john.hubbard@xxxxxxxxx wrote:
From: John Hubbard <jhubbard@xxxxxxxxxx>
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").
This also handles pages[i] == NULL cases, thanks to an approach
that is actually written by Juergen Gross.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
---
Hi Juergen,
Say, this is *exactly* what you proposed in your gup.patch, so
I've speculatively added your Signed-off-by above, but need your
approval before that's final. Let me know please...
Yes, that's fine with me.
Juergen
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