fix full SEGMENT_SIZE internal alignment by adding one more slice entry

2022-11-06 20:36:51 -08:00
parent 4814a649be
commit 562efed54d
4 changed files with 14 additions and 10 deletions
--- a/include/mimalloc-types.h
+++ b/include/mimalloc-types.h
@@ -381,7 +381,7 @@ typedef struct mi_segment_s {
  mi_segment_kind_t kind;
  _Atomic(mi_threadid_t) thread_id;      // unique id of the thread owning this segment
  size_t            slice_entries;       // entries in the `slices` array, at most `MI_SLICES_PER_SEGMENT`
-  mi_slice_t        slices[MI_SLICES_PER_SEGMENT];
+  mi_slice_t        slices[MI_SLICES_PER_SEGMENT+1];  // one more for huge blocks with large alignment
 } mi_segment_t;