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authorEric Dumazet <eric.dumazet@gmail.com>2011-03-14 15:40:39 -0700
committerDavid S. Miller <davem@davemloft.net>2011-03-14 15:40:39 -0700
commitc05e7ac99c32d4e5d8be272c0ba95b0fdcab431b (patch)
treebc1fcf05542a924b956f68940d044bb163be1547 /drivers
parentdcf4ae2dba541eed96afb0ba13e562defb8543e6 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ftmac100.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c
index df70368bf31..1d6f4b8d393 100644
--- a/drivers/net/ftmac100.c
+++ b/drivers/net/ftmac100.c
@@ -80,7 +80,8 @@ struct ftmac100 {
struct mii_if_info mii;
};
-static int ftmac100_alloc_rx_page(struct ftmac100 *priv, struct ftmac100_rxdes *rxdes);
+static int ftmac100_alloc_rx_page(struct ftmac100 *priv,
+ struct ftmac100_rxdes *rxdes, gfp_t gfp);
/******************************************************************************
* internal functions (hardware register access)
@@ -441,7 +442,7 @@ static bool ftmac100_rx_packet(struct ftmac100 *priv, int *processed)
skb->truesize += length;
__pskb_pull_tail(skb, min(length, 64));
- ftmac100_alloc_rx_page(priv, rxdes);
+ ftmac100_alloc_rx_page(priv, rxdes, GFP_ATOMIC);
ftmac100_rx_pointer_advance(priv);
@@ -659,13 +660,14 @@ static int ftmac100_xmit(struct ftmac100 *priv, struct sk_buff *skb,
/******************************************************************************
* internal functions (buffer)
*****************************************************************************/
-static int ftmac100_alloc_rx_page(struct ftmac100 *priv, struct ftmac100_rxdes *rxdes)
+static int ftmac100_alloc_rx_page(struct ftmac100 *priv,
+ struct ftmac100_rxdes *rxdes, gfp_t gfp)
{
struct net_device *netdev = priv->netdev;
struct page *page;
dma_addr_t map;
- page = alloc_page(GFP_KERNEL);
+ page = alloc_page(gfp);
if (!page) {
if (net_ratelimit())
netdev_err(netdev, "failed to allocate rx page\n");
@@ -736,7 +738,7 @@ static int ftmac100_alloc_buffers(struct ftmac100 *priv)
for (i = 0; i < RX_QUEUE_ENTRIES; i++) {
struct ftmac100_rxdes *rxdes = &priv->descs->rxdes[i];
- if (ftmac100_alloc_rx_page(priv, rxdes))
+ if (ftmac100_alloc_rx_page(priv, rxdes, GFP_KERNEL))
goto err;
}