Re: [PATCH 09/10] Change table chaining layout

From: Matt Mackall
Date: Mon Oct 22 2007 - 17:48:38 EST


On Mon, Oct 22, 2007 at 05:21:30PM -0400, Jeff Garzik wrote:
> Alan Cox wrote:
> >Why can't we just make the list one item longer than the entry count and
> >stick a NULL on the end of it like normal people ?
>
> Certainly seems safer than the current "let's run off the end of the
> list if anything bad happens" setup... And I do not think allocating
> n+1 scatterlist entries will have much of a negative impact.

It'll mean m-1 scatterlists fit on a slab.

--
Mathematics is the supreme nostalgia of our time.
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