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

[David Mosberger-Tang <David.Mosberger@xxxxxxx>]

On 11/22/05, Tian, Kevin <kevin.tian@xxxxxxxxx> wrote:
> Now I think even '16' can't cover all cases. It's possible for a user defined 
> structure with .align directive to force by '32' or larger, and then 
> allocator happens to have similar check upon SMP_CACHE_BYTES like case in 
> this thread. Because both structure definition and allocator may have no idea 
> about IA64 trick of saving space for UP. Max alignment of any C style only 
> solves the natural alignment case, but not above forced one. We can just give 
> its real assumption to SMP_CACHE_BYTES - cache line size. ;-)

Not likely to be a problem.  Memory allocators generally guarantee
only 16-byte alignment (as per ia64 software conventions).

  --david
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