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fix decommit for huge objects

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This commit is contained in:
Daan Leijen 2022-11-23 09:50:29 -08:00
parent 20880807ce
commit 9e56567d23
4 changed files with 39 additions and 27 deletions
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9
src/alloc.c
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@ -395,9 +395,10 @@ static mi_decl_noinline void _mi_free_block_mt(mi_page_t* page, mi_block_t* bloc
#endif
}
#if (MI_DEBUG!=0) && !MI_TRACK_ENABLED // note: when tracking, cannot use mi_usable_size with multi-threading
memset(block, MI_DEBUG_FREED, mi_usable_size(block));
if (segment->kind != MI_SEGMENT_HUGE) { // not for huge segments as we just reset the content
memset(block, MI_DEBUG_FREED, mi_usable_size(block));
}
#endif
// Try to put the block on either the page-local thread free list, or the heap delayed free list.
@ -449,7 +450,9 @@ static inline void _mi_free_block(mi_page_t* page, bool local, mi_block_t* block
if mi_unlikely(mi_check_is_double_free(page, block)) return;
mi_check_padding(page, block);
#if (MI_DEBUG!=0) && !MI_TRACK_ENABLED
memset(block, MI_DEBUG_FREED, mi_page_block_size(page));
if (!mi_page_is_huge(page)) { // huge page content may be already decommitted
memset(block, MI_DEBUG_FREED, mi_page_block_size(page));
}
#endif
mi_block_set_next(page, block, page->local_free);
page->local_free = block;