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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 fc1d8e7cca ("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>
This commit is contained in:
John Hubbard 2019-09-23 15:35:10 -07:00 committed by Linus Torvalds
parent 6f553ce498
commit 1edc97694d
1 changed files with 1 additions and 8 deletions
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9
net/xdp/xdp_umem.c
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@ -206,14 +206,7 @@ static int xdp_umem_map_pages(struct xdp_umem *umem)
static void xdp_umem_unpin_pages(struct xdp_umem *umem) static void xdp_umem_unpin_pages(struct xdp_umem *umem)
{ {
unsigned int i; put_user_pages_dirty_lock(umem->pgs, umem->npgs, true);
for (i = 0; i < umem->npgs; i++) {
struct page *page = umem->pgs[i];
set_page_dirty_lock(page);
put_page(page);
}
kfree(umem->pgs); kfree(umem->pgs);
umem->pgs = NULL; umem->pgs = NULL;