Messages in this thread | | | Date | Sat, 3 Aug 2019 09:06:40 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 10/34] genwqe: convert put_page() to put_user_page*() |
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On Thu, Aug 01, 2019 at 07:19:41PM -0700, john.hubbard@gmail.com wrote: > From: John Hubbard <jhubbard@nvidia.com> > > 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 changes the release code slightly, because each page slot in the > page_list[] array is no longer checked for NULL. However, that check > was wrong anyway, because the get_user_pages() pattern of usage here > never allowed for NULL entries within a range of pinned pages. > > Cc: Frank Haverkamp <haver@linux.vnet.ibm.com> > Cc: "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Signed-off-by: John Hubbard <jhubbard@nvidia.com> > --- > drivers/misc/genwqe/card_utils.c | 17 +++-------------- > 1 file changed, 3 insertions(+), 14 deletions(-)
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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