Re: USB transfer_buffer allocations on 64bit systems
From: Alan Stern
Date: Wed Apr 07 2010 - 12:47:15 EST
On Wed, 7 Apr 2010, Daniel Mack wrote:
> Ok, I'll write some dummies for usb_malloc() and usb_zalloc() which
> will just call kmalloc() with GFP_DMA32 for now. And while at it,
> usb_alloc_buffer() will be renamed to usb_alloc_consistent(). Then I'll
> try to clean up all existing drivers to use this new interface and
> follow the changes.
> In a next step, we should fine-tune when GFP_DMA32 is really needed.
> And I'll leave all occurances of usb_alloc_consistent() as they are now.
> Does that sound ok?
Yes, that should work out well.
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