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Index: sys/kern/subr_blist.c
===================================================================
--- sys/kern/subr_blist.c
+++ sys/kern/subr_blist.c
@@ -151,17 +151,18 @@
* in the 'meta' functions that process subtrees. Since integer division
* discards remainders, we can express this computation as
* skip = (m * m**h) / (m - 1)
- * skip = (m * radix / BLIST_BMAP_RADIX) / (m - 1)
+ * skip = (m * (radix / BLIST_BMAP_RADIX)) / (m - 1)
* and if m divides BLIST_BMAP_RADIX, we can simplify further to
- * skip = radix / (BLIST_BMAP_RADIX / m * (m - 1))
- * so that a simple integer division is enough for the calculation.
+ * skip = (radix / (BLIST_BMAP_RADIX / m)) / (m - 1)
+ * skip = radix / ((BLIST_BMAP_RADIX / m) * (m - 1))
+ * so that simple integer division by a constant is enough for the calculation.
*/
static inline daddr_t
radix_to_skip(daddr_t radix)
{
return (radix /
- (BLIST_BMAP_RADIX / BLIST_META_RADIX * (BLIST_META_RADIX - 1)));
+ ((BLIST_BMAP_RADIX / BLIST_META_RADIX) * (BLIST_META_RADIX - 1)));
}
/*

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