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authorAlexander Lobakin <alobakin@pm.me>2021-02-02 13:31:35 +0000
committerJakub Kicinski <kuba@kernel.org>2021-02-04 18:20:14 -0800
commita79afa78e625e4dbe0e07c70929d477ba3386e45 (patch)
tree3d9a4f1ce87582ee194541f71deff27ba1383301 /drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
parentbc38f30f8dbce0afb8af05d917bee084b1329418 (diff)
net: use the new dev_page_is_reusable() instead of private versions
Now we can remove a bunch of identical functions from the drivers and make them use common dev_page_is_reusable(). All {,un}likely() checks are omitted since it's already present in this helper. Also update some comments near the call sites. Suggested-by: David Rientjes <rientjes@google.com> Suggested-by: Jakub Kicinski <kuba@kernel.org> Cc: John Hubbard <jhubbard@nvidia.com> Signed-off-by: Alexander Lobakin <alobakin@pm.me> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 512080640cbc..f39f5b1c4cec 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2800,12 +2800,6 @@ static void hns3_nic_alloc_rx_buffers(struct hns3_enet_ring *ring,
writel(i, ring->tqp->io_base + HNS3_RING_RX_RING_HEAD_REG);
}
-static bool hns3_page_is_reusable(struct page *page)
-{
- return page_to_nid(page) == numa_mem_id() &&
- !page_is_pfmemalloc(page);
-}
-
static bool hns3_can_reuse_page(struct hns3_desc_cb *cb)
{
return (page_count(cb->priv) - cb->pagecnt_bias) == 1;
@@ -2823,10 +2817,11 @@ static void hns3_nic_reuse_page(struct sk_buff *skb, int i,
skb_add_rx_frag(skb, i, desc_cb->priv, desc_cb->page_offset + pull_len,
size - pull_len, truesize);
- /* Avoid re-using remote pages, or the stack is still using the page
- * when page_offset rollback to zero, flag default unreuse
+ /* Avoid re-using remote and pfmemalloc pages, or the stack is still
+ * using the page when page_offset rollback to zero, flag default
+ * unreuse
*/
- if (unlikely(!hns3_page_is_reusable(desc_cb->priv)) ||
+ if (!dev_page_is_reusable(desc_cb->priv) ||
(!desc_cb->page_offset && !hns3_can_reuse_page(desc_cb))) {
__page_frag_cache_drain(desc_cb->priv, desc_cb->pagecnt_bias);
return;
@@ -3083,8 +3078,8 @@ static int hns3_alloc_skb(struct hns3_enet_ring *ring, unsigned int length,
if (length <= HNS3_RX_HEAD_SIZE) {
memcpy(__skb_put(skb, length), va, ALIGN(length, sizeof(long)));
- /* We can reuse buffer as-is, just make sure it is local */
- if (likely(hns3_page_is_reusable(desc_cb->priv)))
+ /* We can reuse buffer as-is, just make sure it is reusable */
+ if (dev_page_is_reusable(desc_cb->priv))
desc_cb->reuse_flag = 1;
else /* This page cannot be reused so discard it */
__page_frag_cache_drain(desc_cb->priv,