Ralf Baechle wrote:
>
> On Sun, Jul 30, 2000 at 11:05:22PM -0700, H. Peter Anvin wrote:
>
> > Another alternative is to simply get rid of all uses of HZ in the
> > kernel, and replace it with either CONFIG_HZ or USER_HZ. This has the
> > additional benefit of giving a compiler error when not used properly. Thus:
> >
> > #define USER_HZ 100 /* Arch dependent */
> > #ifndef __KERNEL__
> > #define HZ USER_HZ
> > #endif
>
> This gets exported to userspace, so USER_HZ pollutes the namespace, so
> has to be hidden ...
>
Fine, make it:
#define _USER_HZ 100 /* This is in an arch-dependent file */
/* This isn't */
#ifdef __KERNEL__
# define USER_HZ _USER_HZ
#else
# define HZ _USER_HZ
#endif
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