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

From: Peter Zijlstra
Date: Tue Jun 26 2012 - 04:38:14 EST


On Mon, 2012-06-25 at 17:52 -0400, Rik van Riel wrote:
> > The thing you propose, the double search, once for len, and once for len
> > +align-1 doesn't guarantee you'll find a hole. All holes of len might be
> > mis-aligned but the len+align-1 search might overlook a hole of suitable
> > size and alignment, you'd have to search the entire range: [len, len
> > +align-1], and that's somewhat silly.
>
> This may still be good enough.

OK, as long as this is clearly mentioned in a comment near there.

It just annoys me that I cannot come up with anything better :-)
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