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Fix an assertion in arena_purge().

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arena_purge() may be called even when there are no dirty pages, so
loosen an assertion accordingly.
This commit is contained in:
Jason Evans 2011-03-23 20:39:02 -07:00
parent adc675c8ef
commit af8ad3ec6a
1 changed files with 6 additions and 3 deletions
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9
jemalloc/src/arena.c
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@ -868,9 +868,10 @@ arena_purge(arena_t *arena, bool all)
}
assert(ndirty == arena->ndirty);
#endif
assert(arena->ndirty > arena->npurgatory);
assert(arena->ndirty > arena->npurgatory || all);
assert(arena->ndirty > chunk_npages || all);
assert((arena->nactive >> opt_lg_dirty_mult) < arena->ndirty || all);
assert((arena->nactive >> opt_lg_dirty_mult) < (arena->ndirty -
npurgatory) || all);
#ifdef JEMALLOC_STATS
arena->stats.npurge++;
@ -882,8 +883,10 @@ arena_purge(arena_t *arena, bool all)
* multiple threads from racing to reduce ndirty below the threshold.
*/
npurgatory = arena->ndirty - arena->npurgatory;
if (all == false)
if (all == false) {
assert(npurgatory >= arena->nactive >> opt_lg_dirty_mult);
npurgatory -= arena->nactive >> opt_lg_dirty_mult;
}
arena->npurgatory += npurgatory;
while (npurgatory > 0) {