Re: [PATCH v4 6/6] x86: allocate space within a region top-down

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From: Jesse Barnes

Subject: Re: [PATCH v4 6/6] x86: allocate space within a region top-down

Date: Monday, October 25, 2010 - 2:01 pm

On Thu, 14 Oct 2010 17:18:52 -0600
Bjorn Helgaas <bjorn.helgaas@hp.com> wrote:

quoted text> 
> Request that allocate_resource() use available space from high addresses
> first, rather than the default of using low addresses first.
> 
> The most common place this makes a difference is when we move or assign
> new PCI device resources.  Low addresses are generally scarce, so it's
> better to use high addresses when possible.  This follows Windows practice
> for PCI allocation.

Applied this series to linux-next; assuming nothing blows up I'll send
it to Linus this week (previous versions got some testing and landed in
a separate branch so this should be fine).

-- 
Jesse Barnes, Intel Open Source Technology Center
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Messages in current thread:

[PATCH v4 0/6] PCI: allocate space top-down, not bottom-up, Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

[PATCH v4 1/6] resources: ensure alignment callback doesn' ..., Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

[PATCH v4 2/6] resources: support allocating space within ..., Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

[PATCH v4 3/6] PCI: allocate bus resources from the top down, Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

[PATCH v4 4/6] x86/PCI: allocate space from the end of a r ..., Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

[PATCH v4 5/6] x86: update iomem_resource end based on CPU ..., Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

[PATCH v4 6/6] x86: allocate space within a region top-down, Bjorn Helgaas, (Thu Oct 14, 4:18 pm)

Re: [PATCH v4 6/6] x86: allocate space within a region top ..., Jesse Barnes, (Mon Oct 25, 2:01 pm)

Re: [PATCH v4 6/6] x86: allocate space within a region top ..., Bjorn Helgaas, (Mon Oct 25, 2:08 pm)

Re: [PATCH v4 6/6] x86: allocate space within a region top ..., Bjorn Helgaas, (Mon Oct 25, 2:15 pm)

Re: [PATCH v4 6/6] x86: allocate space within a region top ..., Jesse Barnes, (Mon Oct 25, 2:17 pm)