AcoSail/kernel_optimize_test
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[PATCH] IB/ipath: use vmalloc to allocate struct ipath_devdata

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This is not a DMA target, so no need to use dma_alloc_coherent on it.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Bryan O'Sullivan 2006-07-01 04:36:02 -07:00 committed by Linus Torvalds
parent 0ed9a4a0b6
commit 06993ca6bc
2 changed files with 3 additions and 8 deletions
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10
drivers/infiniband/hw/ipath/ipath_driver.c
View File

@ -171,14 +171,13 @@ static void ipath_free_devdata(struct pci_dev *pdev,
list_del(&dd->ipath_list);
spin_unlock_irqrestore(&ipath_devs_lock, flags);
}
dma_free_coherent(&pdev->dev, sizeof(*dd), dd, dd->ipath_dma_addr);
vfree(dd);
}
static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
{
unsigned long flags;
struct ipath_devdata *dd;
dma_addr_t dma_addr;
int ret;
if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
@ -186,15 +185,12 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
goto bail;
}
dd = dma_alloc_coherent(&pdev->dev, sizeof(*dd), &dma_addr,
GFP_KERNEL);
dd = vmalloc(sizeof(*dd));
if (!dd) {
dd = ERR_PTR(-ENOMEM);
goto bail;
}
dd->ipath_dma_addr = dma_addr;
memset(dd, 0, sizeof(*dd));
dd->ipath_unit = -1;
spin_lock_irqsave(&ipath_devs_lock, flags);

1
drivers/infiniband/hw/ipath/ipath_kernel.h
View File

@ -163,7 +163,6 @@ struct ipath_devdata {
* only written to by the chip, not the driver.
*/
volatile __le64 *ipath_hdrqtailptr;
dma_addr_t ipath_dma_addr;
/* ipath_cfgports pointers */
struct ipath_portdata **ipath_pd;
/* sk_buffs used by port 0 eager receive queue */