| Message ID | 20191103211813.213227-4-jhubbard@nvidia.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm/gup: track dma-pinned pages: FOLL_PIN, FOLL_LONGTERM | expand |
On Sun, Nov 03, 2019 at 01:17:58PM -0800, 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> Reviewed-by: Jérôme Glisse <jglisse@redhat.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 >
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;