Re: [linux-usb-devel] Re: USB hangs

From: Matthew Dharm
Date: Sat Jan 10 2004 - 20:03:28 EST


On Sun, Jan 11, 2004 at 01:49:34AM +0100, Oliver Neukum wrote:
> Am Sonntag, 11. Januar 2004 01:23 schrieb Matthew Dharm:
> > Where is USB kmalloc'ing with GFP_KERNEL? I thought we tracked all those
> > down and eliminated them.
> >
>
> static int ohci_mem_init (struct ohci *ohci)
> {
> ohci->td_cache = pci_pool_create ("ohci_td", ohci->ohci_dev,
> sizeof (struct td),
> 32 /* byte alignment */,
> 0 /* no page-crossing issues */,
> GFP_KERNEL | OHCI_MEM_FLAGS);
> if (!ohci->td_cache)
> return -ENOMEM;
> ohci->dev_cache = pci_pool_create ("ohci_dev", ohci->ohci_dev,
> sizeof (struct ohci_device),
> 16 /* byte alignment */,
> 0 /* no page-crossing issues */,
> GFP_KERNEL | OHCI_MEM_FLAGS);
> if (!ohci->dev_cache)
> return -ENOMEM;
> return 0;
> }
>
> This one here looks dangerous.

I'll agree that it looks dangerous, tho pci_pool_create() is something I
know little about.

Is this 2.4 or 2.6 code here?

Matt

--
Matthew Dharm Home: mdharm-usb@xxxxxxxxxxxxxxxxxx
Maintainer, Linux USB Mass Storage Driver

Okay, this isn't funny anymore! Let me down! I'll tell Bill on you!!
-- Microsoft Salesman
User Friendly, 4/1/1998

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