Messages in this thread Patch in this message | | | From | john.hubbard@gmail ... | Subject | [PATCH v4 3/3] net/xdp: convert put_page() to put_user_page*() | Date | Tue, 30 Jul 2019 13:57:05 -0700 |
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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: Björn Töpel <bjorn.topel@intel.com> Cc: Magnus Karlsson <magnus.karlsson@intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: John Hubbard <jhubbard@nvidia.com> --- net/xdp/xdp_umem.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index 83de74ca729a..17c4b3d3dc34 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -166,14 +166,7 @@ void xdp_umem_clear_dev(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; -- 2.22.0
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