From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stanislaw Gruszka Subject: [PATCH v2 1/2] bnx2: allocate with GFP_KERNEL flag on RX path init Date: Fri, 16 Jul 2010 10:55:40 +0200 Message-ID: <20100716105540.613d40cc@dhcp-lab-109.englab.brq.redhat.com> References: <20100715142537.12504.60051.send-patch@dhcp-lab-109.englab.brq.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "Michael Chan" To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:32789 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936025Ab0GPIzt (ORCPT ); Fri, 16 Jul 2010 04:55:49 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Stanislaw Gruszka --- v1->v2: use GFP_ATOMIC in bnx2_rx_skb drivers/net/bnx2.c | 17 +++++++++-------- 1 files changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index a203f39..a7df539 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2664,13 +2664,13 @@ bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos) } static inline int -bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) +bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp) { dma_addr_t mapping; struct sw_pg *rx_pg = &rxr->rx_pg_ring[index]; struct rx_bd *rxbd = &rxr->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)]; - struct page *page = alloc_page(GFP_ATOMIC); + struct page *page = alloc_page(gfp); if (!page) return -ENOMEM; @@ -2705,7 +2705,7 @@ bnx2_free_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) } static inline int -bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) +bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index, gfp_t gfp) { struct sk_buff *skb; struct sw_bd *rx_buf = &rxr->rx_buf_ring[index]; @@ -2713,7 +2713,7 @@ bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(index)][RX_IDX(index)]; unsigned long align; - skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); + skb = __netdev_alloc_skb(bp->dev, bp->rx_buf_size, gfp); if (skb == NULL) { return -ENOMEM; } @@ -2974,7 +2974,7 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, int err; u16 prod = ring_idx & 0xffff; - err = bnx2_alloc_rx_skb(bp, rxr, prod); + err = bnx2_alloc_rx_skb(bp, rxr, prod, GFP_ATOMIC); if (unlikely(err)) { bnx2_reuse_rx_skb(bp, rxr, skb, (u16) (ring_idx >> 16), prod); if (hdr_len) { @@ -3039,7 +3039,8 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, rx_pg->page = NULL; err = bnx2_alloc_rx_page(bp, rxr, - RX_PG_RING_IDX(pg_prod)); + RX_PG_RING_IDX(pg_prod), + GFP_ATOMIC); if (unlikely(err)) { rxr->rx_pg_cons = pg_cons; rxr->rx_pg_prod = pg_prod; @@ -5179,7 +5180,7 @@ bnx2_init_rx_ring(struct bnx2 *bp, int ring_num) ring_prod = prod = rxr->rx_pg_prod; for (i = 0; i < bp->rx_pg_ring_size; i++) { - if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) { + if (bnx2_alloc_rx_page(bp, rxr, ring_prod, GFP_KERNEL) < 0) { netdev_warn(bp->dev, "init'ed rx page ring %d with %d/%d pages only\n", ring_num, i, bp->rx_pg_ring_size); break; @@ -5191,7 +5192,7 @@ bnx2_init_rx_ring(struct bnx2 *bp, int ring_num) ring_prod = prod = rxr->rx_prod; for (i = 0; i < bp->rx_ring_size; i++) { - if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) { + if (bnx2_alloc_rx_skb(bp, rxr, ring_prod, GFP_KERNEL) < 0) { netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n", ring_num, i, bp->rx_ring_size); break; -- 1.7.1