RE: [Xen-devel] __ia64__ ifdef in xmalloc.c: "Fix ar.unat handling forfast paths"

["Luck, Tony" <tony.luck@xxxxxxxxx>]

>So it makes most sense for ia64 Xen to define SMP_CACHE_BYTES to a 
>sensible largeish number irrespective of CONFIG_SMP (after all, how 
>many uniproc ia64 systems are there), and solve the general alignment 
>problem in xmalloc only if we really need to.

Changing from 8 to 16 (as David suggested) looks to be the right
thing to do.  If you think it needs to be higher than this, then
I'll need some more convincing.

-Tony

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