Re: [PATCH -mm v2 01/11] mm: track free size between VMAs in VMArbtree

[Rik van Riel]

On 06/22/2012 10:13 AM, Peter Zijlstra wrote:
> On Fri, 2012-06-22 at 10:11 -0400, Rik van Riel wrote:
> > I am still trying to wrap my brain around your alternative
> > search algorithm, not sure if/how it can be combined with
> > arbitrary address limits and alignment...
>
> for alignment we can do: len += align - 1;

We could, but that might lead us to returning -ENOMEM
when we actually have memory available.

When you consider architectures like HPPA, which use
a pretty large alignment, but align everything the same,
chances are pretty much every freed hole will have the
right alignment...

> Will indeed need to ponder the range thing ;-)


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