On Tue, 16 Jan 2007, Paul Menage wrote:
> I was thinking runtime, unless MAX_NUMNODES is less than 64 in which
> case you can make the decision at compile time.
>
> >
> > If done at compile time then we will end up with a pointer to an unsigned
> > long for a system with <= 64 nodes. If we allocate the nodemask via
> > kmalloc then we will always end up with a mininum allocation size of 64
> > bytes.
>
> Can't we get less overhead with a slab cache with appropriate-sized objects?
Ok but then we are going to have quite small objects. Plus we will have
additional slab overhead per node.
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