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charset="utf-8" In 2019, we introduced pin_user_pages*() and now we are converting get_user_pages*() to the new API as appropriate. [1] & [2] could be referred for more information. This is case 5 as per document [1]. [1] Documentation/core-api/pin_user_pages.rst [2] "Explicit pinning of user-space pages": https://lwn.net/Articles/807108/ Signed-off-by: Souptick Joarder Cc: John Hubbard --- drivers/xen/gntdev.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 64a9025a..e480509 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -730,7 +730,7 @@ static int gntdev_get_page(struct gntdev_copy_batch *ba= tch, void __user *virt, unsigned long xen_pfn; int ret; =20 - ret =3D get_user_pages_fast(addr, 1, writeable ? FOLL_WRITE : 0, &page); + ret =3D pin_user_pages_fast(addr, 1, writeable ? FOLL_WRITE : 0, &page); if (ret < 0) return ret; =20 @@ -744,10 +744,7 @@ static int gntdev_get_page(struct gntdev_copy_batch *b= atch, void __user *virt, =20 static void gntdev_put_pages(struct gntdev_copy_batch *batch) { - unsigned int i; - - for (i =3D 0; i < batch->nr_pages; i++) - put_page(batch->pages[i]); + unpin_user_pages(batch->pages, batch->nr_pages); batch->nr_pages =3D 0; } =20 --=20 1.9.1