On Thu, 2007-11-08 at 10:31 -0800, Christoph Lameter wrote:
quoted text
> On Thu, 8 Nov 2007, Peter Zijlstra wrote:
> 
> > > +#define CPU_OFFSET(__cpu) \
> > > +	((unsigned long)(__cpu) << (CONFIG_CPU_AREA_ORDER + PAGE_SHIFT))
> > > +
> > > +#define CPU_PTR(__p, __cpu) ((__typeof__(__p))((void *)(__p) + \
> > > +							CPU_OFFSET(__cpu)))
> > > +
> > > +#define CPU_ALLOC(type, flags)	cpu_alloc(sizeof(type), flags, \
> > > +					__alignof__(type))
> > > +#define CPU_FREE(pointer)	cpu_free(pointer, sizeof(*(pointer)))
> > > +
> > > +#define THIS_CPU(__p)	CPU_PTR(__p, smp_processor_id())
> > > +#define __THIS_CPU(__p)	CPU_PTR(__p, raw_smp_processor_id())
> > > +
> > > +/*
> > > + * Raw calls
> > > + */
> > > +void *cpu_alloc(unsigned long size, gfp_t gfp, unsigned long align);
> > > +void cpu_free(void *cpu_pointer, unsigned long size);
> > > +
> > > +#endif /* _LINUX_CPU_ALLOC_H_ */
> > 
> > I don't like those shouting macros.
> 
> The convention for macros is to use upper case.

We have plent macros that look like regular functions. And as a primary
interface to this functionality these shouting things look really out of
place.

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