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

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From: Bjorn Helgaas

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

Date: Thursday, October 14, 2010 - 7:39 am

On Wednesday, October 13, 2010 03:27:58 pm H. Peter Anvin wrote:
quoted text> 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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Messages in current thread:

[PATCH v3 0/6] PCI: allocate space top-down, not bottom-up, Bjorn Helgaas, (Wed Oct 13, 9:15 am)

[PATCH v3 1/6] resources: ensure alignment callback doesn' ..., Bjorn Helgaas, (Wed Oct 13, 9:15 am)

[PATCH v3 3/6] PCI: allocate bus resources from the top down, Bjorn Helgaas, (Wed Oct 13, 9:15 am)

[PATCH v3 4/6] x86/PCI: allocate space from the end of a r ..., Bjorn Helgaas, (Wed Oct 13, 9:15 am)

[PATCH v3 5/6] x86: update iomem_resource end based on CPU ..., Bjorn Helgaas, (Wed Oct 13, 9:15 am)

[PATCH v3 6/6] x86: allocate space within a region top-down, Bjorn Helgaas, (Wed Oct 13, 9:15 am)

Re: [PATCH v3 4/6] x86/PCI: allocate space from the end of ..., H. Peter Anvin, (Wed Oct 13, 2:27 pm)

Re: [PATCH v3 4/6] x86/PCI: allocate space from the end of ..., Bjorn Helgaas, (Thu Oct 14, 7:39 am)


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