Re: [BK PATCH 1/2] Remove NGROUPS hardlimit (resend w/o qsort)

[Alan Cox]

On Fri, 2002-11-15 at 02:41, Andrew Morton wrote:
> In that case a radix tree _might_ suit.  All you need to put in the
> node is a (void *)1 or (void *)0.  But it won't be very space-efficient
> for really sparse groups.

99.999% of users will have < 16 groups, probably less than 8. If the
system doesn't get that default case as fast and memory efficient as
before the priorities are badly wrong.