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add allow_decommit option

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This commit is contained in:
daan 2019-10-31 10:59:50 -07:00
parent ed4f60fc7e
commit 6695f8ae91
3 changed files with 3 additions and 7 deletions
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2
src/segment.c
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@ -634,7 +634,7 @@ static mi_segment_t* mi_segment_alloc(size_t required, mi_segments_tld_t* tld, m
segment->cookie = _mi_ptr_cookie(segment);
segment->slice_entries = slice_entries;
segment->kind = (required == 0 ? MI_SEGMENT_NORMAL : MI_SEGMENT_HUGE);
segment->allow_decommit = !commit;
segment->allow_decommit = !commit && mi_option_is_enabled(mi_option_allow_decommit);
segment->commit_mask = (!commit ? 0x01 : ~((uintptr_t)0)); // on lazy commit, the initial part is always committed
// memset(segment->slices, 0, sizeof(mi_slice_t)*(info_slices+1));
_mi_stat_increase(&tld->stats->page_committed, mi_segment_info_size(segment));