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*** mp/mp_region.c 2007-05-18 03:18:01.000000000 +1000
--- mp/mp_region.c 2008-06-24 13:15:56.000000000 +1000
***************
*** 249,256 ****
mtx_base = htab[0].mtx_hash;
}
if (mtx_base != MUTEX_INVALID)
! mtx_base += reginfo_off * htab_buckets;
/* Allocate hash table space and initialize it. */
if ((ret = __env_alloc(infop,
--- 249,262 ----
mtx_base = htab[0].mtx_hash;
}
+ /*
+ * We preallocated all of the mutexes in a block, so for regions after
+ * the first, we skip mutexes in use in earlier regions. Each region
+ * has the same number of buckets and there are two mutexes per hash
+ * bucket (the bucket mutex and the I/O mutex).
+ */
if (mtx_base != MUTEX_INVALID)
! mtx_base += reginfo_off * htab_buckets * 2;
/* Allocate hash table space and initialize it. */
if ((ret = __env_alloc(infop,
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