From: Ira Weiny <ira.weiny@intel.com> To: John Hubbard <jhubbard@nvidia.com> Cc: "Andrew Morton" <akpm@linux-foundation.org>, "Al Viro" <viro@zeniv.linux.org.uk>, "Alex Williamson" <alex.williamson@redhat.com>, "Benjamin Herrenschmidt" <benh@kernel.crashing.org>, "Björn Töpel" <bjorn.topel@intel.com>, "Christoph Hellwig" <hch@infradead.org>, "Dan Williams" <dan.j.williams@intel.com>, "Daniel Vetter" <daniel@ffwll.ch>, "Dave Chinner" <david@fromorbit.com>, "David Airlie" <airlied@linux.ie>, "David S . Miller" <davem@davemloft.net>, "Jan Kara" <jack@suse.cz>, "Jason Gunthorpe" <jgg@ziepe.ca>, "Jens Axboe" <axboe@kernel.dk>, "Jonathan Corbet" <corbet@lwn.net>, "Jérôme Glisse" <jglisse@redhat.com>, "Magnus Karlsson" <magnus.karlsson@intel.com>, "Mauro Carvalho Chehab" <mchehab@kernel.org>, "Michael Ellerman" <mpe@ellerman.id.au>, "Michal Hocko" <mhocko@suse.com>, "Mike Kravetz" <mike.kravetz@oracle.com>, "Paul Mackerras" <paulus@samba.org>, "Shuah Khan" <shuah@kernel.org>, "Vlastimil Babka" <vbabka@suse.cz>, bpf@vger.kernel.org, dri-devel@lists.freedesktop.org, kvm@vger.kernel.org, linux-block@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, linux-rdma@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 03/19] goldish_pipe: rename local pin_user_pages() routine Date: Thu, 31 Oct 2019 11:36:56 -0700 [thread overview] Message-ID: <20191031183656.GD14771@iweiny-DESK2.sc.intel.com> (raw) In-Reply-To: <20191030224930.3990755-4-jhubbard@nvidia.com> On Wed, Oct 30, 2019 at 03:49:14PM -0700, John Hubbard wrote: > 1. Avoid naming conflicts: rename local static function from > "pin_user_pages()" to "pin_goldfish_pages()". > > An upcoming patch will introduce a global pin_user_pages() > function. > Reviewed-by: Ira Weiny <ira.weiny@intel.com> > Signed-off-by: John Hubbard <jhubbard@nvidia.com> > --- > drivers/platform/goldfish/goldfish_pipe.c | 18 +++++++++--------- > 1 file changed, 9 insertions(+), 9 deletions(-) > > diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c > index cef0133aa47a..7ed2a21a0bac 100644 > --- a/drivers/platform/goldfish/goldfish_pipe.c > +++ b/drivers/platform/goldfish/goldfish_pipe.c > @@ -257,12 +257,12 @@ static int goldfish_pipe_error_convert(int status) > } > } > > -static int pin_user_pages(unsigned long first_page, > - unsigned long last_page, > - unsigned int last_page_size, > - int is_write, > - struct page *pages[MAX_BUFFERS_PER_COMMAND], > - unsigned int *iter_last_page_size) > +static int pin_goldfish_pages(unsigned long first_page, > + unsigned long last_page, > + unsigned int last_page_size, > + int is_write, > + struct page *pages[MAX_BUFFERS_PER_COMMAND], > + unsigned int *iter_last_page_size) > { > int ret; > int requested_pages = ((last_page - first_page) >> PAGE_SHIFT) + 1; > @@ -354,9 +354,9 @@ static int transfer_max_buffers(struct goldfish_pipe *pipe, > if (mutex_lock_interruptible(&pipe->lock)) > return -ERESTARTSYS; > > - pages_count = pin_user_pages(first_page, last_page, > - last_page_size, is_write, > - pipe->pages, &iter_last_page_size); > + pages_count = pin_goldfish_pages(first_page, last_page, > + last_page_size, is_write, > + pipe->pages, &iter_last_page_size); > if (pages_count < 0) { > mutex_unlock(&pipe->lock); > return pages_count; > -- > 2.23.0 > >
next prev parent reply other threads:[~2019-10-31 18:37 UTC|newest] Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-30 22:49 [PATCH 00/19] mm/gup: track dma-pinned pages: FOLL_PIN, FOLL_LONGTERM John Hubbard 2019-10-30 22:49 ` [PATCH 01/19] mm/gup: pass flags arg to __gup_device_* functions John Hubbard 2019-10-31 18:18 ` Ira Weiny 2019-10-30 22:49 ` [PATCH 02/19] mm/gup: factor out duplicate code from four routines John Hubbard 2019-10-31 18:35 ` Ira Weiny 2019-10-31 18:43 ` John Hubbard 2019-10-31 21:09 ` Ira Weiny 2019-10-31 22:01 ` John Hubbard 2019-10-30 22:49 ` [PATCH 03/19] goldish_pipe: rename local pin_user_pages() routine John Hubbard 2019-10-31 18:36 ` Ira Weiny [this message] 2019-10-30 22:49 ` [PATCH 04/19] media/v4l2-core: set pages dirty upon releasing DMA buffers John Hubbard 2019-10-30 22:49 ` [PATCH 05/19] mm/gup: introduce pin_user_pages*() and FOLL_PIN John Hubbard 2019-10-31 23:15 ` Ira Weiny 2019-10-31 23:43 ` John Hubbard 2019-10-30 22:49 ` [PATCH 06/19] goldish_pipe: convert to pin_user_pages() and put_user_page() John Hubbard 2019-10-30 22:49 ` [PATCH 07/19] infiniband: set FOLL_PIN, FOLL_LONGTERM via pin_longterm_pages*() John Hubbard 2019-10-31 23:25 ` Ira Weiny 2019-10-31 23:49 ` John Hubbard 2019-10-30 22:49 ` [PATCH 08/19] mm/process_vm_access: set FOLL_PIN via pin_user_pages_remote() John Hubbard 2019-10-31 23:35 ` Ira Weiny 2019-10-31 23:46 ` John Hubbard 2019-10-30 22:49 ` [PATCH 09/19] drm/via: set FOLL_PIN via pin_user_pages_fast() John Hubbard 2019-10-31 23:36 ` Ira Weiny 2019-11-04 18:10 ` Daniel Vetter 2019-11-04 19:20 ` John Hubbard 2019-11-05 9:49 ` Daniel Vetter 2019-11-05 18:16 ` John Hubbard 2019-10-30 22:49 ` [PATCH 10/19] fs/io_uring: set FOLL_PIN via pin_user_pages() John Hubbard 2019-10-31 23:37 ` Ira Weiny 2019-11-01 14:49 ` Jens Axboe 2019-10-30 22:49 ` [PATCH 11/19] net/xdp: " John Hubbard 2019-10-31 23:37 ` Ira Weiny 2019-11-02 11:01 ` Björn Töpel 2019-10-30 22:49 ` [PATCH 12/19] mm/gup: track FOLL_PIN pages John Hubbard 2019-10-30 22:49 ` [PATCH 13/19] media/v4l2-core: pin_longterm_pages (FOLL_PIN) and put_user_page() conversion John Hubbard 2019-10-31 23:38 ` Ira Weiny 2019-10-30 22:49 ` [PATCH 14/19] vfio, mm: " John Hubbard 2019-10-30 23:05 ` John Hubbard 2019-10-30 22:49 ` [PATCH 15/19] powerpc: book3s64: convert to pin_longterm_pages() and put_user_page() John Hubbard 2019-10-30 22:49 ` [PATCH 16/19] mm/gup_benchmark: support pin_user_pages() and related calls John Hubbard 2019-10-30 22:49 ` [PATCH 17/19] selftests/vm: run_vmtests: invoke gup_benchmark with basic FOLL_PIN coverage John Hubbard 2019-10-30 22:49 ` [PATCH 18/19] mm/gup: remove support for gup(FOLL_LONGTERM) John Hubbard 2019-10-30 22:49 ` [PATCH 19/19] Documentation/vm: add pin_user_pages.rst John Hubbard 2019-10-31 23:49 ` Ira Weiny 2019-10-31 23:53 ` John Hubbard 2019-11-01 0:48 ` John Hubbard 2019-11-03 19:53 ` John Hubbard
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