rcutorture: Fix incorrect description of default for nreaders parameter
rcutorture: Fix incorrect description of default for nreaders parameter

The comment for the nreaders parameter of rcutorture gives the default as
4*ncpus, but the value actually defaults to 2*ncpus; fix the comment.

Signed-off-by: Josh Triplett <c028c213ed5efcf30c3f4fc7361dbde0c893c5b7@freedesktop.org>
Acked-by: Paul E. McKenney <1e0ce936bb9b355d257bf5790d2513c3f28be22b@us.ibm.com>
Signed-off-by: Adrian Bunk <0b86548ef377da0031a3ff3f0c4e06f016e20105@stusta.de>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas