Re: [PATCH v3 20/41] fbdev/pvr2fb: convert put_page() to put_user_page*()
From: Bartlomiej Zolnierkiewicz <hidden>
Date: 2019-08-09 11:38:48
Also in:
amd-gfx, ceph-devel, dri-devel, intel-gfx, kvm, linux-arm-kernel, linux-block, linux-crypto, linux-fbdev, linux-fsdevel, linux-media, linux-mm, linux-nfs, linux-rdma, linux-xfs, lkml, sparclinux, xen-devel
On 8/7/19 3:33 AM, 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").
Cc: Bartlomiej Zolnierkiewicz <redacted>
Cc: Kees Cook <redacted>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Bhumika Goyal <redacted>
Cc: Arvind Yadav <redacted>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: John Hubbard <jhubbard@nvidia.com>Acked-by: Bartlomiej Zolnierkiewicz <redacted> Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics
quoted hunk ↗ jump to hunk
--- drivers/video/fbdev/pvr2fb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 7ff4b6b84282..0e4f9aa6444d 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c@@ -700,8 +700,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, ret = count; out_unmap: - for (i = 0; i < nr_pages; i++) - put_page(pages[i]); + put_user_pages(pages, nr_pages); kfree(pages);