track abandoned segments in an arena bitmap instead of with a list

2024-02-29 14:27:28 -08:00
parent 7020ed5e52
commit bdda13b880
4 changed files with 122 additions and 176 deletions
--- a/include/mimalloc/types.h
+++ b/include/mimalloc/types.h
@@ -373,7 +373,6 @@ typedef struct mi_segment_s {
  size_t               segment_size;     // for huge pages this may be different from `MI_SEGMENT_SIZE`
  
  // segment fields
-  _Atomic(struct mi_segment_s*) abandoned_next;
  struct mi_segment_s* next;             // must be the first segment field after abandoned_next -- see `segment.c:segment_init`
  struct mi_segment_s* prev;