summaryrefslogtreecommitdiff
path: root/net/core/xdp.c
diff options
context:
space:
mode:
authorAlexander Lobakin <aleksander.lobakin@intel.com>2023-03-13 22:55:53 +0100
committerAlexei Starovoitov <ast@kernel.org>2023-03-14 15:20:05 -0700
commitd4e492338d11937c55841b1279287280d6e35894 (patch)
treef796ff038dab22a2c934eca1bdf4ebda5af6c243 /net/core/xdp.c
parent9c94bbf9a87b264294f42e6cc0f76d87854733ec (diff)
xdp: remove unused {__,}xdp_release_frame()
__xdp_build_skb_from_frame() was the last user of {__,}xdp_release_frame(), which detaches pages from the page_pool. All the consumers now recycle Page Pool skbs and page, except mlx5, stmmac and tsnep drivers, which use page_pool_release_page() directly (might change one day). It's safe to assume this functionality is not needed anymore and can be removed (in favor of recycling). Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Link: https://lore.kernel.org/r/20230313215553.1045175-5-aleksander.lobakin@intel.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'net/core/xdp.c')
-rw-r--r--net/core/xdp.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/net/core/xdp.c b/net/core/xdp.c
index a2237cfca8e9..8d3ad315f18d 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -531,21 +531,6 @@ out:
}
EXPORT_SYMBOL_GPL(xdp_return_buff);
-/* Only called for MEM_TYPE_PAGE_POOL see xdp.h */
-void __xdp_release_frame(void *data, struct xdp_mem_info *mem)
-{
- struct xdp_mem_allocator *xa;
- struct page *page;
-
- rcu_read_lock();
- xa = rhashtable_lookup(mem_id_ht, &mem->id, mem_id_rht_params);
- page = virt_to_head_page(data);
- if (xa)
- page_pool_release_page(xa->page_pool, page);
- rcu_read_unlock();
-}
-EXPORT_SYMBOL_GPL(__xdp_release_frame);
-
void xdp_attachment_setup(struct xdp_attachment_info *info,
struct netdev_bpf *bpf)
{