Re: [PATCH v3 4/6] x86/PCI: allocate space from the end of a region, not the beginning

[Bjorn Helgaas]

On Wednesday, October 13, 2010 03:27:58 pm H. Peter Anvin wrote:
> On 10/13/2010 09:15 AM, Bjorn Helgaas wrote:
> >  
> > +#define ALIGN_DOWN(x, a)	((x) & ~(a - 1))
> > -	resource_size_t start = res->start;
> > +	resource_size_t start = ALIGN_DOWN(res->end - size + 1, align);
> >  
> 
> Use round_down() here instead of inventing yet another macro?

Thanks!  I searched for something, but I missed round_down().

Bjorn
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