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fix initialization of decommit mask for huge pages

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Daan Leijen 2023-03-23 13:05:10 -07:00
parent b0e4309210
commit 1cbc55f2b8
1 changed files with 5 additions and 0 deletions
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5
src/segment.c
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@ -509,6 +509,7 @@ static bool mi_segment_ensure_committed(mi_segment_t* segment, uint8_t* p, size_
mi_assert_internal(mi_commit_mask_all_set(&segment->commit_mask, &segment->decommit_mask)); mi_assert_internal(mi_commit_mask_all_set(&segment->commit_mask, &segment->decommit_mask));
// note: assumes commit_mask is always full for huge segments as otherwise the commit mask bits can overflow // note: assumes commit_mask is always full for huge segments as otherwise the commit mask bits can overflow
if (mi_commit_mask_is_full(&segment->commit_mask) && mi_commit_mask_is_empty(&segment->decommit_mask)) return true; // fully committed if (mi_commit_mask_is_full(&segment->commit_mask) && mi_commit_mask_is_empty(&segment->decommit_mask)) return true; // fully committed
mi_assert_internal(segment->kind != MI_SEGMENT_HUGE);
return mi_segment_commitx(segment,true,p,size,stats); return mi_segment_commitx(segment,true,p,size,stats);
} }
@ -904,6 +905,10 @@ static mi_segment_t* mi_segment_alloc(size_t required, size_t page_alignment, mi
mi_assert_internal(!mi_commit_mask_any_set(&segment->decommit_mask, &commit_needed_mask)); mi_assert_internal(!mi_commit_mask_any_set(&segment->decommit_mask, &commit_needed_mask));
#endif #endif
} }
else {
segment->decommit_expire = 0;
mi_commit_mask_create_empty( &segment->decommit_mask );
}
// initialize segment info // initialize segment info
const size_t slice_entries = (segment_slices > MI_SLICES_PER_SEGMENT ? MI_SLICES_PER_SEGMENT : segment_slices); const size_t slice_entries = (segment_slices > MI_SLICES_PER_SEGMENT ? MI_SLICES_PER_SEGMENT : segment_slices);