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Fix nfill = 0 bug when ncached_max is 1

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guangli-dai 2023-10-18 10:40:32 -07:00 committed by Qi Wang
parent 6fb3b6a8e4
commit d88fa71bbd
2 changed files with 4 additions and 0 deletions
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1
src/arena.c
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@ -1023,6 +1023,7 @@ arena_cache_bin_fill_small(tsdn_t *tsdn, arena_t *arena,
cache_bin_t *cache_bin, cache_bin_info_t *cache_bin_info, szind_t binind, cache_bin_t *cache_bin, cache_bin_info_t *cache_bin_info, szind_t binind,
const unsigned nfill) { const unsigned nfill) {
assert(cache_bin_ncached_get_local(cache_bin, cache_bin_info) == 0); assert(cache_bin_ncached_get_local(cache_bin, cache_bin_info) == 0);
assert(nfill != 0);
const bin_info_t *bin_info = &bin_infos[binind]; const bin_info_t *bin_info = &bin_infos[binind];

3
src/tcache.c
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@ -257,6 +257,9 @@ tcache_alloc_small_hard(tsdn_t *tsdn, arena_t *arena,
assert(!tcache_bin_disabled(binind, cache_bin, tcache_slow)); assert(!tcache_bin_disabled(binind, cache_bin, tcache_slow));
unsigned nfill = cache_bin_info_ncached_max_get(cache_bin, unsigned nfill = cache_bin_info_ncached_max_get(cache_bin,
&cache_bin->bin_info) >> tcache_slow->lg_fill_div[binind]; &cache_bin->bin_info) >> tcache_slow->lg_fill_div[binind];
if (nfill == 0) {
nfill = 1;
}
arena_cache_bin_fill_small(tsdn, arena, cache_bin, arena_cache_bin_fill_small(tsdn, arena, cache_bin,
&cache_bin->bin_info, binind, nfill); &cache_bin->bin_info, binind, nfill);
tcache_slow->bin_refilled[binind] = true; tcache_slow->bin_refilled[binind] = true;