From 8378a7910d1401885114647a63ea099667754707 Mon Sep 17 00:00:00 2001 From: Ioana Ciornei Date: Wed, 9 Feb 2022 11:23:30 +0200 Subject: [PATCH] dpaa2-eth: allocate a fragment already aligned Instead of allocating memory and then manually aligning it to the desired value use napi_alloc_frag_align() directly to streamline the process. Signed-off-by: Ioana Ciornei Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 218b151..6ccbec2 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -888,14 +888,13 @@ static int dpaa2_eth_build_sg_fd_single_buf(struct dpaa2_eth_priv *priv, sgt_buf_size = priv->tx_data_offset + sizeof(struct dpaa2_sg_entry); if (sgt_cache->count == 0) - sgt_buf = kzalloc(sgt_buf_size + DPAA2_ETH_TX_BUF_ALIGN, - GFP_ATOMIC); + sgt_buf = napi_alloc_frag_align(sgt_buf_size, DPAA2_ETH_TX_BUF_ALIGN); else sgt_buf = sgt_cache->buf[--sgt_cache->count]; if (unlikely(!sgt_buf)) return -ENOMEM; + memset(sgt_buf, 0, sgt_buf_size); - sgt_buf = PTR_ALIGN(sgt_buf, DPAA2_ETH_TX_BUF_ALIGN); sgt = (struct dpaa2_sg_entry *)(sgt_buf + priv->tx_data_offset); addr = dma_map_single(dev, skb->data, skb->len, DMA_BIDIRECTIONAL); @@ -935,7 +934,7 @@ sgt_map_failed: dma_unmap_single(dev, addr, skb->len, DMA_BIDIRECTIONAL); data_map_failed: if (sgt_cache->count >= DPAA2_ETH_SGT_CACHE_SIZE) - kfree(sgt_buf); + skb_free_frag(sgt_buf); else sgt_cache->buf[sgt_cache->count++] = sgt_buf; @@ -1088,7 +1087,7 @@ static void dpaa2_eth_free_tx_fd(struct dpaa2_eth_priv *priv, skb_free_frag(buffer_start); } else { if (sgt_cache->count >= DPAA2_ETH_SGT_CACHE_SIZE) - kfree(buffer_start); + skb_free_frag(buffer_start); else sgt_cache->buf[sgt_cache->count++] = buffer_start; } @@ -1523,7 +1522,7 @@ static void dpaa2_eth_sgt_cache_drain(struct dpaa2_eth_priv *priv) count = sgt_cache->count; for (i = 0; i < count; i++) - kfree(sgt_cache->buf[i]); + skb_free_frag(sgt_cache->buf[i]); sgt_cache->count = 0; } } -- 2.7.4