Comment # 3 on bug 1198483 from Jan Kara

OK, reproduced on hardy4:
                     before                 after
Hmean     disk-1       2139.80 (   0.00%)     2124.65 (  -0.71%)
Hmean     disk-41     91586.00 (   0.00%)    87234.05 *  -4.75%*
Hmean     disk-81    163636.36 (   0.00%)   149079.75 *  -8.90%*
Hmean     disk-121   197928.03 (   0.00%)   178115.80 * -10.01%*
Hmean     disk-161   226760.57 (   0.00%)   224755.70 (  -0.88%)
Hmean     disk-201   253467.84 (   0.00%)   213526.91 * -15.76%*
Hmean     disk-241   268473.82 (   0.00%)   231805.07 * -13.66%*
Hmean     disk-281   300749.20 (   0.00%)   253077.16 * -15.85%*
Hmean     disk-321   301975.54 (   0.00%)   258870.97 * -14.27%*