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Message-ID: <20101122144239.GB9171@exar.com>
Date: Mon, 22 Nov 2010 08:42:39 -0600
From: Jon Mason <jon.mason@...r.com>
To: Eric Dumazet <eric.dumazet@...il.com>
CC: David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCN net-next-2.6] drivers/net: use vzalloc()
On Mon, Nov 22, 2010 at 02:15:06AM -0800, Eric Dumazet wrote:
> Use vzalloc() and vzalloc_node() in net drivers
>
Acking the vxge portions.
Acked-by: Jon Mason <jon.mason@...r.com>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> ---
> People, I hope you dont mind if I make a single patch, and dont Cc all
> maintainers, for such trivial change.
>
> drivers/net/bnx2.c | 9 +------
> drivers/net/cxgb3/cxgb3_offload.c | 6 +---
> drivers/net/cxgb4/cxgb4_main.c | 6 +---
> drivers/net/e1000/e1000_main.c | 6 +---
> drivers/net/e1000e/netdev.c | 6 +---
> drivers/net/ehea/ehea_main.c | 4 ---
> drivers/net/igb/igb_main.c | 6 +---
> drivers/net/igbvf/netdev.c | 6 +---
> drivers/net/ixgb/ixgb_main.c | 6 +---
> drivers/net/ixgbe/ixgbe_main.c | 10 +++-----
> drivers/net/ixgbevf/ixgbevf_main.c | 6 +---
> drivers/net/netxen/netxen_nic_init.c | 6 +---
> drivers/net/pch_gbe/pch_gbe_main.c | 6 +---
> drivers/net/pptp.c | 3 --
> drivers/net/qlcnic/qlcnic_init.c | 6 +---
> drivers/net/sfc/filter.c | 3 --
> drivers/net/vxge/vxge-config.c | 31 ++++++-------------------
> 17 files changed, 39 insertions(+), 87 deletions(-)
>
> diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
> index 062600b..0de196d 100644
> --- a/drivers/net/bnx2.c
> +++ b/drivers/net/bnx2.c
> @@ -766,13 +766,10 @@ bnx2_alloc_rx_mem(struct bnx2 *bp)
> int j;
>
> rxr->rx_buf_ring =
> - vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
> + vzalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
> if (rxr->rx_buf_ring == NULL)
> return -ENOMEM;
>
> - memset(rxr->rx_buf_ring, 0,
> - SW_RXBD_RING_SIZE * bp->rx_max_ring);
> -
> for (j = 0; j < bp->rx_max_ring; j++) {
> rxr->rx_desc_ring[j] =
> dma_alloc_coherent(&bp->pdev->dev,
> @@ -785,13 +782,11 @@ bnx2_alloc_rx_mem(struct bnx2 *bp)
> }
>
> if (bp->rx_pg_ring_size) {
> - rxr->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE *
> + rxr->rx_pg_ring = vzalloc(SW_RXPG_RING_SIZE *
> bp->rx_max_pg_ring);
> if (rxr->rx_pg_ring == NULL)
> return -ENOMEM;
>
> - memset(rxr->rx_pg_ring, 0, SW_RXPG_RING_SIZE *
> - bp->rx_max_pg_ring);
> }
>
> for (j = 0; j < bp->rx_max_pg_ring; j++) {
> diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
> index bcf0753..ef02aa6 100644
> --- a/drivers/net/cxgb3/cxgb3_offload.c
> +++ b/drivers/net/cxgb3/cxgb3_offload.c
> @@ -1164,12 +1164,10 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new)
> */
> void *cxgb_alloc_mem(unsigned long size)
> {
> - void *p = kmalloc(size, GFP_KERNEL);
> + void *p = kzalloc(size, GFP_KERNEL);
>
> if (!p)
> - p = vmalloc(size);
> - if (p)
> - memset(p, 0, size);
> + p = vzalloc(size);
> return p;
> }
>
> diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
> index f50bc98..848f89d 100644
> --- a/drivers/net/cxgb4/cxgb4_main.c
> +++ b/drivers/net/cxgb4/cxgb4_main.c
> @@ -868,12 +868,10 @@ out: release_firmware(fw);
> */
> void *t4_alloc_mem(size_t size)
> {
> - void *p = kmalloc(size, GFP_KERNEL);
> + void *p = kzalloc(size, GFP_KERNEL);
>
> if (!p)
> - p = vmalloc(size);
> - if (p)
> - memset(p, 0, size);
> + p = vzalloc(size);
> return p;
> }
>
> diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
> index 4686c39..dcb7f82 100644
> --- a/drivers/net/e1000/e1000_main.c
> +++ b/drivers/net/e1000/e1000_main.c
> @@ -1425,13 +1425,12 @@ static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
> int size;
>
> size = sizeof(struct e1000_buffer) * txdr->count;
> - txdr->buffer_info = vmalloc(size);
> + txdr->buffer_info = vzalloc(size);
> if (!txdr->buffer_info) {
> e_err(probe, "Unable to allocate memory for the Tx descriptor "
> "ring\n");
> return -ENOMEM;
> }
> - memset(txdr->buffer_info, 0, size);
>
> /* round up to nearest 4K */
>
> @@ -1621,13 +1620,12 @@ static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
> int size, desc_len;
>
> size = sizeof(struct e1000_buffer) * rxdr->count;
> - rxdr->buffer_info = vmalloc(size);
> + rxdr->buffer_info = vzalloc(size);
> if (!rxdr->buffer_info) {
> e_err(probe, "Unable to allocate memory for the Rx descriptor "
> "ring\n");
> return -ENOMEM;
> }
> - memset(rxdr->buffer_info, 0, size);
>
> desc_len = sizeof(struct e1000_rx_desc);
>
> diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
> index 9b3f0a9..0adcb79 100644
> --- a/drivers/net/e1000e/netdev.c
> +++ b/drivers/net/e1000e/netdev.c
> @@ -2059,10 +2059,9 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
> int err = -ENOMEM, size;
>
> size = sizeof(struct e1000_buffer) * tx_ring->count;
> - tx_ring->buffer_info = vmalloc(size);
> + tx_ring->buffer_info = vzalloc(size);
> if (!tx_ring->buffer_info)
> goto err;
> - memset(tx_ring->buffer_info, 0, size);
>
> /* round up to nearest 4K */
> tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
> @@ -2095,10 +2094,9 @@ int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
> int i, size, desc_len, err = -ENOMEM;
>
> size = sizeof(struct e1000_buffer) * rx_ring->count;
> - rx_ring->buffer_info = vmalloc(size);
> + rx_ring->buffer_info = vzalloc(size);
> if (!rx_ring->buffer_info)
> goto err;
> - memset(rx_ring->buffer_info, 0, size);
>
> for (i = 0; i < rx_ring->count; i++) {
> buffer_info = &rx_ring->buffer_info[i];
> diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
> index 182b2a7..a84c389 100644
> --- a/drivers/net/ehea/ehea_main.c
> +++ b/drivers/net/ehea/ehea_main.c
> @@ -1496,12 +1496,10 @@ static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries)
> {
> int arr_size = sizeof(void *) * max_q_entries;
>
> - q_skba->arr = vmalloc(arr_size);
> + q_skba->arr = vzalloc(arr_size);
> if (!q_skba->arr)
> return -ENOMEM;
>
> - memset(q_skba->arr, 0, arr_size);
> -
> q_skba->len = max_q_entries;
> q_skba->index = 0;
> q_skba->os_skbs = 0;
> diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
> index 892d196..67ea262 100644
> --- a/drivers/net/igb/igb_main.c
> +++ b/drivers/net/igb/igb_main.c
> @@ -2436,10 +2436,9 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring)
> int size;
>
> size = sizeof(struct igb_buffer) * tx_ring->count;
> - tx_ring->buffer_info = vmalloc(size);
> + tx_ring->buffer_info = vzalloc(size);
> if (!tx_ring->buffer_info)
> goto err;
> - memset(tx_ring->buffer_info, 0, size);
>
> /* round up to nearest 4K */
> tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
> @@ -2587,10 +2586,9 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
> int size, desc_len;
>
> size = sizeof(struct igb_buffer) * rx_ring->count;
> - rx_ring->buffer_info = vmalloc(size);
> + rx_ring->buffer_info = vzalloc(size);
> if (!rx_ring->buffer_info)
> goto err;
> - memset(rx_ring->buffer_info, 0, size);
>
> desc_len = sizeof(union e1000_adv_rx_desc);
>
> diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
> index 4c998b7..8dbde23 100644
> --- a/drivers/net/igbvf/netdev.c
> +++ b/drivers/net/igbvf/netdev.c
> @@ -430,10 +430,9 @@ int igbvf_setup_tx_resources(struct igbvf_adapter *adapter,
> int size;
>
> size = sizeof(struct igbvf_buffer) * tx_ring->count;
> - tx_ring->buffer_info = vmalloc(size);
> + tx_ring->buffer_info = vzalloc(size);
> if (!tx_ring->buffer_info)
> goto err;
> - memset(tx_ring->buffer_info, 0, size);
>
> /* round up to nearest 4K */
> tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
> @@ -470,10 +469,9 @@ int igbvf_setup_rx_resources(struct igbvf_adapter *adapter,
> int size, desc_len;
>
> size = sizeof(struct igbvf_buffer) * rx_ring->count;
> - rx_ring->buffer_info = vmalloc(size);
> + rx_ring->buffer_info = vzalloc(size);
> if (!rx_ring->buffer_info)
> goto err;
> - memset(rx_ring->buffer_info, 0, size);
>
> desc_len = sizeof(union e1000_adv_rx_desc);
>
> diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
> index caa8192..211a169 100644
> --- a/drivers/net/ixgb/ixgb_main.c
> +++ b/drivers/net/ixgb/ixgb_main.c
> @@ -669,13 +669,12 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
> int size;
>
> size = sizeof(struct ixgb_buffer) * txdr->count;
> - txdr->buffer_info = vmalloc(size);
> + txdr->buffer_info = vzalloc(size);
> if (!txdr->buffer_info) {
> netif_err(adapter, probe, adapter->netdev,
> "Unable to allocate transmit descriptor ring memory\n");
> return -ENOMEM;
> }
> - memset(txdr->buffer_info, 0, size);
>
> /* round up to nearest 4K */
>
> @@ -759,13 +758,12 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
> int size;
>
> size = sizeof(struct ixgb_buffer) * rxdr->count;
> - rxdr->buffer_info = vmalloc(size);
> + rxdr->buffer_info = vzalloc(size);
> if (!rxdr->buffer_info) {
> netif_err(adapter, probe, adapter->netdev,
> "Unable to allocate receive descriptor ring\n");
> return -ENOMEM;
> }
> - memset(rxdr->buffer_info, 0, size);
>
> /* Round up to nearest 4K */
>
> diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
> index 5409af3..4249b51 100644
> --- a/drivers/net/ixgbe/ixgbe_main.c
> +++ b/drivers/net/ixgbe/ixgbe_main.c
> @@ -5181,12 +5181,11 @@ int ixgbe_setup_tx_resources(struct ixgbe_ring *tx_ring)
> int size;
>
> size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count;
> - tx_ring->tx_buffer_info = vmalloc_node(size, tx_ring->numa_node);
> + tx_ring->tx_buffer_info = vzalloc_node(size, tx_ring->numa_node);
> if (!tx_ring->tx_buffer_info)
> - tx_ring->tx_buffer_info = vmalloc(size);
> + tx_ring->tx_buffer_info = vzalloc(size);
> if (!tx_ring->tx_buffer_info)
> goto err;
> - memset(tx_ring->tx_buffer_info, 0, size);
>
> /* round up to nearest 4K */
> tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
> @@ -5246,12 +5245,11 @@ int ixgbe_setup_rx_resources(struct ixgbe_ring *rx_ring)
> int size;
>
> size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count;
> - rx_ring->rx_buffer_info = vmalloc_node(size, rx_ring->numa_node);
> + rx_ring->rx_buffer_info = vzalloc_node(size, rx_ring->numa_node);
> if (!rx_ring->rx_buffer_info)
> - rx_ring->rx_buffer_info = vmalloc(size);
> + rx_ring->rx_buffer_info = vzalloc(size);
> if (!rx_ring->rx_buffer_info)
> goto err;
> - memset(rx_ring->rx_buffer_info, 0, size);
>
> /* Round up to nearest 4K */
> rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
> diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
> index 5b8063c..2216a3c 100644
> --- a/drivers/net/ixgbevf/ixgbevf_main.c
> +++ b/drivers/net/ixgbevf/ixgbevf_main.c
> @@ -2489,10 +2489,9 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_adapter *adapter,
> int size;
>
> size = sizeof(struct ixgbevf_tx_buffer) * tx_ring->count;
> - tx_ring->tx_buffer_info = vmalloc(size);
> + tx_ring->tx_buffer_info = vzalloc(size);
> if (!tx_ring->tx_buffer_info)
> goto err;
> - memset(tx_ring->tx_buffer_info, 0, size);
>
> /* round up to nearest 4K */
> tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
> @@ -2556,14 +2555,13 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_adapter *adapter,
> int size;
>
> size = sizeof(struct ixgbevf_rx_buffer) * rx_ring->count;
> - rx_ring->rx_buffer_info = vmalloc(size);
> + rx_ring->rx_buffer_info = vzalloc(size);
> if (!rx_ring->rx_buffer_info) {
> hw_dbg(&adapter->hw,
> "Unable to vmalloc buffer memory for "
> "the receive descriptor ring\n");
> goto alloc_failed;
> }
> - memset(rx_ring->rx_buffer_info, 0, size);
>
> /* Round up to nearest 4K */
> rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
> diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
> index 95fe552..f946de2 100644
> --- a/drivers/net/netxen/netxen_nic_init.c
> +++ b/drivers/net/netxen/netxen_nic_init.c
> @@ -214,13 +214,12 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
> tx_ring->num_desc = adapter->num_txd;
> tx_ring->txq = netdev_get_tx_queue(netdev, 0);
>
> - cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
> + cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
> if (cmd_buf_arr == NULL) {
> dev_err(&pdev->dev, "%s: failed to allocate cmd buffer ring\n",
> netdev->name);
> goto err_out;
> }
> - memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
> tx_ring->cmd_buf_arr = cmd_buf_arr;
>
> recv_ctx = &adapter->recv_ctx;
> @@ -280,7 +279,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
>
> }
> rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
> - vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
> + vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
> if (rds_ring->rx_buf_arr == NULL) {
> printk(KERN_ERR "%s: Failed to allocate "
> "rx buffer ring %d\n",
> @@ -288,7 +287,6 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
> /* free whatever was already allocated */
> goto err_out;
> }
> - memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
> INIT_LIST_HEAD(&rds_ring->free_list);
> /*
> * Now go through all of them, set reference handles
> diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
> index 472056b..afb7506 100644
> --- a/drivers/net/pch_gbe/pch_gbe_main.c
> +++ b/drivers/net/pch_gbe/pch_gbe_main.c
> @@ -1523,12 +1523,11 @@ int pch_gbe_setup_tx_resources(struct pch_gbe_adapter *adapter,
> int desNo;
>
> size = (int)sizeof(struct pch_gbe_buffer) * tx_ring->count;
> - tx_ring->buffer_info = vmalloc(size);
> + tx_ring->buffer_info = vzalloc(size);
> if (!tx_ring->buffer_info) {
> pr_err("Unable to allocate memory for the buffer infomation\n");
> return -ENOMEM;
> }
> - memset(tx_ring->buffer_info, 0, size);
>
> tx_ring->size = tx_ring->count * (int)sizeof(struct pch_gbe_tx_desc);
>
> @@ -1573,12 +1572,11 @@ int pch_gbe_setup_rx_resources(struct pch_gbe_adapter *adapter,
> int desNo;
>
> size = (int)sizeof(struct pch_gbe_buffer) * rx_ring->count;
> - rx_ring->buffer_info = vmalloc(size);
> + rx_ring->buffer_info = vzalloc(size);
> if (!rx_ring->buffer_info) {
> pr_err("Unable to allocate memory for the receive descriptor ring\n");
> return -ENOMEM;
> }
> - memset(rx_ring->buffer_info, 0, size);
> rx_ring->size = rx_ring->count * (int)sizeof(struct pch_gbe_rx_desc);
> rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
> &rx_ring->dma, GFP_KERNEL);
> diff --git a/drivers/net/pptp.c b/drivers/net/pptp.c
> index ccbc913..7556a92 100644
> --- a/drivers/net/pptp.c
> +++ b/drivers/net/pptp.c
> @@ -673,8 +673,7 @@ static int __init pptp_init_module(void)
> int err = 0;
> pr_info("PPTP driver version " PPTP_DRIVER_VERSION "\n");
>
> - callid_sock = __vmalloc((MAX_CALLID + 1) * sizeof(void *),
> - GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
> + callid_sock = vzalloc((MAX_CALLID + 1) * sizeof(void *));
> if (!callid_sock) {
> pr_err("PPTP: cann't allocate memory\n");
> return -ENOMEM;
> diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
> index 0d180c6..3f97018 100644
> --- a/drivers/net/qlcnic/qlcnic_init.c
> +++ b/drivers/net/qlcnic/qlcnic_init.c
> @@ -236,12 +236,11 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
> tx_ring->num_desc = adapter->num_txd;
> tx_ring->txq = netdev_get_tx_queue(netdev, 0);
>
> - cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
> + cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
> if (cmd_buf_arr == NULL) {
> dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
> goto err_out;
> }
> - memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
> tx_ring->cmd_buf_arr = cmd_buf_arr;
>
> recv_ctx = &adapter->recv_ctx;
> @@ -276,13 +275,12 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
> break;
> }
> rds_ring->rx_buf_arr = (struct qlcnic_rx_buffer *)
> - vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
> + vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
> if (rds_ring->rx_buf_arr == NULL) {
> dev_err(&netdev->dev, "Failed to allocate "
> "rx buffer ring %d\n", ring);
> goto err_out;
> }
> - memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
> INIT_LIST_HEAD(&rds_ring->free_list);
> /*
> * Now go through all of them, set reference handles
> diff --git a/drivers/net/sfc/filter.c b/drivers/net/sfc/filter.c
> index 52cb608..44500b5 100644
> --- a/drivers/net/sfc/filter.c
> +++ b/drivers/net/sfc/filter.c
> @@ -428,10 +428,9 @@ int efx_probe_filters(struct efx_nic *efx)
> GFP_KERNEL);
> if (!table->used_bitmap)
> goto fail;
> - table->spec = vmalloc(table->size * sizeof(*table->spec));
> + table->spec = vzalloc(table->size * sizeof(*table->spec));
> if (!table->spec)
> goto fail;
> - memset(table->spec, 0, table->size * sizeof(*table->spec));
> }
>
> return 0;
> diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
> index 409c2e6..44d3ddd 100644
> --- a/drivers/net/vxge/vxge-config.c
> +++ b/drivers/net/vxge/vxge-config.c
> @@ -1220,13 +1220,12 @@ vxge_hw_device_initialize(
> goto exit;
>
> hldev = (struct __vxge_hw_device *)
> - vmalloc(sizeof(struct __vxge_hw_device));
> + vzalloc(sizeof(struct __vxge_hw_device));
> if (hldev == NULL) {
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> goto exit;
> }
>
> - memset(hldev, 0, sizeof(struct __vxge_hw_device));
> hldev->magic = VXGE_HW_DEVICE_MAGIC;
>
> vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL);
> @@ -2064,15 +2063,12 @@ __vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate,
> * allocate new memblock and its private part at once.
> * This helps to minimize memory usage a lot. */
> mempool->memblocks_priv_arr[i] =
> - vmalloc(mempool->items_priv_size * n_items);
> + vzalloc(mempool->items_priv_size * n_items);
> if (mempool->memblocks_priv_arr[i] == NULL) {
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> goto exit;
> }
>
> - memset(mempool->memblocks_priv_arr[i], 0,
> - mempool->items_priv_size * n_items);
> -
> /* allocate DMA-capable memblock */
> mempool->memblocks_arr[i] =
> __vxge_hw_blockpool_malloc(mempool->devh,
> @@ -2145,12 +2141,11 @@ __vxge_hw_mempool_create(
> }
>
> mempool = (struct vxge_hw_mempool *)
> - vmalloc(sizeof(struct vxge_hw_mempool));
> + vzalloc(sizeof(struct vxge_hw_mempool));
> if (mempool == NULL) {
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> goto exit;
> }
> - memset(mempool, 0, sizeof(struct vxge_hw_mempool));
>
> mempool->devh = devh;
> mempool->memblock_size = memblock_size;
> @@ -2170,31 +2165,27 @@ __vxge_hw_mempool_create(
>
> /* allocate array of memblocks */
> mempool->memblocks_arr =
> - (void **) vmalloc(sizeof(void *) * mempool->memblocks_max);
> + (void **) vzalloc(sizeof(void *) * mempool->memblocks_max);
> if (mempool->memblocks_arr == NULL) {
> __vxge_hw_mempool_destroy(mempool);
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> mempool = NULL;
> goto exit;
> }
> - memset(mempool->memblocks_arr, 0,
> - sizeof(void *) * mempool->memblocks_max);
>
> /* allocate array of private parts of items per memblocks */
> mempool->memblocks_priv_arr =
> - (void **) vmalloc(sizeof(void *) * mempool->memblocks_max);
> + (void **) vzalloc(sizeof(void *) * mempool->memblocks_max);
> if (mempool->memblocks_priv_arr == NULL) {
> __vxge_hw_mempool_destroy(mempool);
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> mempool = NULL;
> goto exit;
> }
> - memset(mempool->memblocks_priv_arr, 0,
> - sizeof(void *) * mempool->memblocks_max);
>
> /* allocate array of memblocks DMA objects */
> mempool->memblocks_dma_arr = (struct vxge_hw_mempool_dma *)
> - vmalloc(sizeof(struct vxge_hw_mempool_dma) *
> + vzalloc(sizeof(struct vxge_hw_mempool_dma) *
> mempool->memblocks_max);
>
> if (mempool->memblocks_dma_arr == NULL) {
> @@ -2203,20 +2194,16 @@ __vxge_hw_mempool_create(
> mempool = NULL;
> goto exit;
> }
> - memset(mempool->memblocks_dma_arr, 0,
> - sizeof(struct vxge_hw_mempool_dma) *
> - mempool->memblocks_max);
>
> /* allocate hash array of items */
> mempool->items_arr =
> - (void **) vmalloc(sizeof(void *) * mempool->items_max);
> + (void **) vzalloc(sizeof(void *) * mempool->items_max);
> if (mempool->items_arr == NULL) {
> __vxge_hw_mempool_destroy(mempool);
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> mempool = NULL;
> goto exit;
> }
> - memset(mempool->items_arr, 0, sizeof(void *) * mempool->items_max);
>
> /* calculate initial number of memblocks */
> memblocks_to_allocate = (mempool->items_initial +
> @@ -4272,14 +4259,12 @@ vxge_hw_vpath_open(struct __vxge_hw_device *hldev,
> goto vpath_open_exit1;
>
> vp = (struct __vxge_hw_vpath_handle *)
> - vmalloc(sizeof(struct __vxge_hw_vpath_handle));
> + vzalloc(sizeof(struct __vxge_hw_vpath_handle));
> if (vp == NULL) {
> status = VXGE_HW_ERR_OUT_OF_MEMORY;
> goto vpath_open_exit2;
> }
>
> - memset(vp, 0, sizeof(struct __vxge_hw_vpath_handle));
> -
> vp->vpath = vpath;
>
> if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) {
>
>
> --
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