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incremental GC: fix overcount of immobile objects

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This commit is contained in:
Matthew Flatt 2015-11-30 18:27:50 -07:00
parent d306ecdf3a
commit f30d8bd562
1 changed files with 4 additions and 0 deletions
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4
racket/src/racket/gc2/newgc.c
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@ -5276,12 +5276,16 @@ static void repair_heap(NewGC *gc)
mark_backpointers. */
void **start = PPTR(NUM(page->addr) + PREFIX_SIZE);
void **end = PPTR(NUM(page->addr) + APAGE_SIZE - page->obj_size);
int live_count = 0;
while(start < end) {
objhead *info = (objhead *)start;
if (!info->mark)
info->dead = 1;
else
live_count++;
start += info->size;
}
page->live_size = live_count * gcBYTES_TO_WORDS(page->obj_size);
}
} else {
if ((page->generation == AGE_GEN_0) || gc->gc_full) {