RE: [PATCH 2/2] sched: fix cpupri priocount
From: Rune Torgersen <hidden>
Date: 2008-06-04 21:33:45
Also in:
lkml
quoted
-#define CPUPRI_NR_PRI_WORDS CPUPRI_NR_PRIORITIES/BITS_PER_LONG +#define CPUPRI_NR_PRI_WORDS (CPUPRI_NR_PRIORITIES + >
BITS_PER_LONG/2)/BITS_PER_LONG
(33 + 16) / 32 = 49 / 32 = 1
It should not round to neares but round up.... So... #define CPUPRI_NR_PRI_WORDS (CPUPRI_NR_PRIORITIES + BITS_PER_LONG - 1)/BITS_PER_LONG => (33+31)/32 = 64/32 = 2