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Add max_active_fit to first_fit

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The max_active_fit check is currently only on the best_fit
path, add it to the first_fit path also.
This commit is contained in:
Dave Watson 2019-04-08 09:37:58 -07:00
parent 7fc4f2a32c
commit b62d126df8
1 changed files with 10 additions and 1 deletions
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11
src/extent.c
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@ -483,7 +483,16 @@ extents_first_fit_locked(tsdn_t *tsdn, arena_t *arena, extents_t *extents,
assert(!extent_heap_empty(&extents->heaps[i])); assert(!extent_heap_empty(&extents->heaps[i]));
extent_t *extent = extent_heap_first(&extents->heaps[i]); extent_t *extent = extent_heap_first(&extents->heaps[i]);
assert(extent_size_get(extent) >= size); assert(extent_size_get(extent) >= size);
if (ret == NULL || extent_snad_comp(extent, ret) < 0) { bool size_ok = true;
/*
* In order to reduce fragmentation, avoid reusing and splitting
* large extents for much smaller sizes.
*/
if ((sz_pind2sz(i) >> opt_lg_extent_max_active_fit) > size) {
size_ok = false;
}
if (size_ok &&
(ret == NULL || extent_snad_comp(extent, ret) < 0)) {
ret = extent; ret = extent;
} }
if (i == SC_NPSIZES) { if (i == SC_NPSIZES) {