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ftmac100: use GFP_ATOMIC allocations where needed
When running in softirq context, we should use GFP_ATOMIC allocations instead of GFP_KERNEL ones. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Po-Yu Chuang <ratbert@faraday-tech.com> Acked-by: Po-Yu Chuang <ratbert@faraday-tech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -80,7 +80,8 @@ struct ftmac100 {
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struct mii_if_info mii;
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};
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static int ftmac100_alloc_rx_page(struct ftmac100 *priv, struct ftmac100_rxdes *rxdes);
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static int ftmac100_alloc_rx_page(struct ftmac100 *priv,
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struct ftmac100_rxdes *rxdes, gfp_t gfp);
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/******************************************************************************
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* internal functions (hardware register access)
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@ -441,7 +442,7 @@ static bool ftmac100_rx_packet(struct ftmac100 *priv, int *processed)
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skb->truesize += length;
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__pskb_pull_tail(skb, min(length, 64));
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ftmac100_alloc_rx_page(priv, rxdes);
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ftmac100_alloc_rx_page(priv, rxdes, GFP_ATOMIC);
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ftmac100_rx_pointer_advance(priv);
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@ -659,13 +660,14 @@ static int ftmac100_xmit(struct ftmac100 *priv, struct sk_buff *skb,
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/******************************************************************************
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* internal functions (buffer)
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*****************************************************************************/
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static int ftmac100_alloc_rx_page(struct ftmac100 *priv, struct ftmac100_rxdes *rxdes)
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static int ftmac100_alloc_rx_page(struct ftmac100 *priv,
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struct ftmac100_rxdes *rxdes, gfp_t gfp)
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{
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struct net_device *netdev = priv->netdev;
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struct page *page;
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dma_addr_t map;
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page = alloc_page(GFP_KERNEL);
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page = alloc_page(gfp);
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if (!page) {
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if (net_ratelimit())
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netdev_err(netdev, "failed to allocate rx page\n");
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@ -736,7 +738,7 @@ static int ftmac100_alloc_buffers(struct ftmac100 *priv)
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for (i = 0; i < RX_QUEUE_ENTRIES; i++) {
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struct ftmac100_rxdes *rxdes = &priv->descs->rxdes[i];
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if (ftmac100_alloc_rx_page(priv, rxdes))
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if (ftmac100_alloc_rx_page(priv, rxdes, GFP_KERNEL))
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goto err;
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}
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