Re: [PATCH v7 05/24] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages

[PATCH v7 00/24] mm/gup: track dma-pinned pages: FOLL_PIN · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 18/24] media/v4l2-core: pin_user_pages (FOLL_PIN) and put_user_page() conversion · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · Christoph Hellwig <hch@infradead.org> · 2019-11-21
Re: [PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · Jason Gunthorpe <jgg@ziepe.ca> · 2019-11-21
Re: [PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-24
Re: [PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · Leon Romanovsky <leon@kernel.org> · 2019-11-24
Re: [PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-25
Re: [PATCH v7 07/24] IB/umem: use get_user_pages_fast() to pin DMA pages · Jason Gunthorpe <jgg@ziepe.ca> · 2019-11-25
[PATCH v7 12/24] IB/{core,hw,umem}: set FOLL_PIN via pin_user_pages*(), fix up ODP · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 11/24] goldish_pipe: convert to pin_user_pages() and put_user_page() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 17/24] mm/gup: track FOLL_PIN pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 17/24] mm/gup: track FOLL_PIN pages · Jan Kara <jack@suse.cz> · 2019-11-21
Re: [PATCH v7 17/24] mm/gup: track FOLL_PIN pages · kbuild test robot <hidden> · 2019-11-30
[PATCH v7 14/24] drm/via: set FOLL_PIN via pin_user_pages_fast() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 15/24] fs/io_uring: set FOLL_PIN via pin_user_pages() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 22/24] mm/gup_benchmark: support pin_user_pages() and related calls · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 04/24] mm: Cleanup __put_devmap_managed_page() vs ->page_free() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 04/24] mm: Cleanup __put_devmap_managed_page() vs ->page_free() · Christoph Hellwig <hch@lst.de> · 2019-11-21
[PATCH v7 21/24] mm/gup_benchmark: use proper FOLL_WRITE flags instead of hard-coding "1" · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 01/24] mm/gup: pass flags arg to __gup_device_* functions · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 01/24] mm/gup: pass flags arg to __gup_device_* functions · Christoph Hellwig <hch@infradead.org> · 2019-11-21
Re: [PATCH v7 01/24] mm/gup: pass flags arg to __gup_device_* functions · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 24/24] mm, tree-wide: rename put_user_page*() to unpin_user_page*() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 13/24] mm/process_vm_access: set FOLL_PIN via pin_user_pages_remote() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 23/24] selftests/vm: run_vmtests: invoke gup_benchmark with basic FOLL_PIN coverage · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 20/24] powerpc: book3s64: convert to pin_user_pages() and put_user_page() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · Christoph Hellwig <hch@lst.de> · 2019-11-21
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · Jan Kara <jack@suse.cz> · 2019-11-21
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · Jan Kara <jack@suse.cz> · 2019-11-21
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · John Hubbard <jhubbard@nvidia.com> · 2019-11-22
Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines · Jan Kara <jack@suse.cz> · 2019-11-22
[PATCH v7 08/24] media/v4l2-core: set pages dirty upon releasing DMA buffers · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 08/24] media/v4l2-core: set pages dirty upon releasing DMA buffers · Christoph Hellwig <hch@infradead.org> · 2019-11-21
[PATCH v7 06/24] goldish_pipe: rename local pin_user_pages() routine · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 06/24] goldish_pipe: rename local pin_user_pages() routine · Christoph Hellwig <hch@infradead.org> · 2019-11-21
Re: [PATCH v7 06/24] goldish_pipe: rename local pin_user_pages() routine · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 19/24] vfio, mm: pin_user_pages (FOLL_PIN) and put_user_page() conversion · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 09/24] vfio, mm: fix get_user_pages_remote() and FOLL_LONGTERM · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 09/24] vfio, mm: fix get_user_pages_remote() and FOLL_LONGTERM · Christoph Hellwig <hch@infradead.org> · 2019-11-21
Re: [PATCH v7 09/24] vfio, mm: fix get_user_pages_remote() and FOLL_LONGTERM · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 09/24] vfio, mm: fix get_user_pages_remote() and FOLL_LONGTERM · Alex Williamson <hidden> · 2019-11-21
Re: [PATCH v7 09/24] vfio, mm: fix get_user_pages_remote() and FOLL_LONGTERM · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 16/24] net/xdp: set FOLL_PIN via pin_user_pages() · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 10/24] mm/gup: introduce pin_user_pages*() and FOLL_PIN · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 05/24] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 05/24] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages · Christoph Hellwig <hch@lst.de> · 2019-11-21
Re: [PATCH v7 05/24] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 05/24] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages · Dan Williams <hidden> · 2019-11-21
Re: [PATCH v7 05/24] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
[PATCH v7 03/24] mm/gup: move try_get_compound_head() to top, fix minor issues · John Hubbard <jhubbard@nvidia.com> · 2019-11-21
Re: [PATCH v7 03/24] mm/gup: move try_get_compound_head() to top, fix minor issues · Christoph Hellwig <hch@infradead.org> · 2019-11-21

From: Christoph Hellwig <hch@lst.de>
Date: 2019-11-21 08:06:07
Also in: bpf, dri-devel, linux-block, linux-doc, linux-fsdevel, linux-kselftest, linux-media, linux-mm, linux-rdma, linuxppc-dev, lkml, netdev

So while this looks correct and I still really don't see the major
benefit of the new code organization, especially as it bloats all
put_page callers.

I'd love to see code size change stats for an allyesconfig on this
commit.

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