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prevent retiring pages in the huge queue (which may have a small size but huge alignment)

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Daan Leijen 2022-11-22 21:02:05 -08:00
parent db0a69b482
commit e7dac7c405
1 changed files with 1 additions and 1 deletions
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2
src/page.c
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@ -436,7 +436,7 @@ void _mi_page_retire(mi_page_t* page) mi_attr_noexcept {
// how to check this efficiently though... // how to check this efficiently though...
// for now, we don't retire if it is the only page left of this size class. // for now, we don't retire if it is the only page left of this size class.
mi_page_queue_t* pq = mi_page_queue_of(page); mi_page_queue_t* pq = mi_page_queue_of(page);
if mi_likely(page->xblock_size <= MI_MAX_RETIRE_SIZE && !mi_page_is_in_full(page)) { if mi_likely(page->xblock_size <= MI_MAX_RETIRE_SIZE && !mi_page_queue_is_special(pq)) { // not too large && not full or huge queue?
if (pq->last==page && pq->first==page) { // the only page in the queue? if (pq->last==page && pq->first==page) { // the only page in the queue?
mi_stat_counter_increase(_mi_stats_main.page_no_retire,1); mi_stat_counter_increase(_mi_stats_main.page_no_retire,1);
page->retire_expire = (page->xblock_size <= MI_SMALL_OBJ_SIZE_MAX ? MI_RETIRE_CYCLES : MI_RETIRE_CYCLES/4); page->retire_expire = (page->xblock_size <= MI_SMALL_OBJ_SIZE_MAX ? MI_RETIRE_CYCLES : MI_RETIRE_CYCLES/4);