Re: pci_alloc_consistent from interrupt == BAD

Russell King
2002-01-18T21:55:42Z

(CC list trimmed)

On Fri, Jan 18, 2002 at 04:46:37PM -0500, Dan Malek wrote:
> Russell King wrote:
> > ..... The problem currently is
> > that there is no way for the page table allocation functions to know
> > that they should be using atomic and emergency pool memory allocations.
>
> Hmmm...I thought they already do this. I always assumed the gfp_flag passed
> into alloc_pages would find its way all of the way through the page table
> allocation as well. You just have to be ready to handle the case where
> it returns with an -ENOMEM :-).

I refer you to your nearest function prototype for pte_alloc_one()
rather than alloc_pages().

--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux