Function _mi_segment_huge_page_reset

3rd/mimalloc-2.0.9/src/segment.c:1581–1592

reset memory of a huge block from another thread

#else
// reset memory of a huge block from another thread
void _mi_segment_huge_page_reset(mi_segment_t* segment, mi_page_t* page, mi_block_t* block) {
  MI_UNUSED(page);
  mi_assert_internal(segment->kind == MI_SEGMENT_HUGE);
  mi_assert_internal(segment == _mi_page_segment(page));
  mi_assert_internal(page->used == 1); // this is called just before the free
  mi_assert_internal(page->free == NULL);
  if (segment->allow_decommit) {
    const size_t csize = mi_usable_size(block) - sizeof(mi_block_t);
    uint8_t* p = (uint8_t*)block + sizeof(mi_block_t);
    _mi_os_decommit(p, csize, &_mi_stats_main);  // note: cannot use segment_decommit on huge segments
  }
}
#endif

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