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ensure forced abandoned pages can be accessed after free

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daanx 2024-11-25 18:41:57 -08:00
parent 9b7ac9a1a6
commit 7673aa2517
3 changed files with 26 additions and 21 deletions
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3
include/mimalloc/types.h
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@ -416,7 +416,8 @@ typedef struct mi_segment_s {
// segment fields
struct mi_segment_s* next; // must be the first (non-constant) segment field -- see `segment.c:segment_init`
struct mi_segment_s* prev;
bool was_reclaimed; // true if it was reclaimed (used to limit on-free reclamation)
bool was_reclaimed; // true if it was reclaimed (used to limit reclaim-on-free reclamation)
bool dont_free; // can be temporarily true to ensure the segment is not freed
size_t abandoned; // abandoned pages (i.e. the original owning thread stopped) (`abandoned <= used`)
size_t abandoned_visits; // count how often this segment is visited for reclaiming (to force reclaim if it is too long)