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authorJohn Hubbard <jhubbard@nvidia.com>2019-09-23 15:35:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-24 15:54:08 -0700
commit1edc97694d0fa95d143e3457be892544e41f794a (patch)
treebe4c382d4280ad8289d704030ac8b8878e531d41 /net
parent6f553ce498a72d91c1c9361fd49bcf07e17c9703 (diff)
net/xdp: convert put_page() to put_user_page*()
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 fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Link: http://lkml.kernel.org/r/20190724044537.10458-4-jhubbard@nvidia.com Signed-off-by: John Hubbard <jhubbard@nvidia.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Cc: Björn Töpel <bjorn.topel@intel.com> Cc: Magnus Karlsson <magnus.karlsson@intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/xdp/xdp_umem.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 947b8ff0227e..bba3104f128f 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -206,14 +206,7 @@ static int xdp_umem_map_pages(struct xdp_umem *umem)
static void xdp_umem_unpin_pages(struct xdp_umem *umem)
{
- unsigned int i;
-
- for (i = 0; i < umem->npgs; i++) {
- struct page *page = umem->pgs[i];
-
- set_page_dirty_lock(page);
- put_page(page);
- }
+ put_user_pages_dirty_lock(umem->pgs, umem->npgs, true);
kfree(umem->pgs);
umem->pgs = NULL;

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