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Revert "Fix zero free objects assertion"

This reverts commit e1bf29314f.

I'm not sure why this broke stuff, I need to investigate later.
This commit is contained in:
Aaron Patterson 2019-10-30 18:05:32 -07:00
parent e1bf29314f
commit 79d96b42df
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44
gc.c
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@ -8553,14 +8553,14 @@ gc_compact_after_gc(rb_objspace_t *objspace, int use_toward_empty, int use_doubl
heap_add_pages(objspace, heap_eden, heap_allocated_pages);
}
VALUE moved_list_head;
VALUE moved_list;
VALUE disabled = rb_gc_disable();
if (use_toward_empty) {
moved_list_head = gc_compact_heap(objspace, compare_free_slots);
moved_list = gc_compact_heap(objspace, compare_free_slots);
}
else {
moved_list_head = gc_compact_heap(objspace, compare_pinned);
moved_list = gc_compact_heap(objspace, compare_pinned);
}
heap_eden->freelist = NULL;
@ -8573,46 +8573,32 @@ gc_compact_after_gc(rb_objspace_t *objspace, int use_toward_empty, int use_doubl
rb_clear_method_cache_by_class(rb_cObject);
rb_clear_constant_cache();
heap_eden->free_pages = NULL;
heap_eden->using_page = NULL;
/* Clear RMOVED manual rather than rely on GC */
while (moved_list_head) {
while (moved_list) {
VALUE next_moved;
struct heap_page *page;
page = GET_HEAP_PAGE(moved_list_head);
next_moved = RMOVED(moved_list_head)->next;
page = GET_HEAP_PAGE(moved_list);
next_moved = RMOVED(moved_list)->next;
RMOVED(moved_list_head)->flags = 0;
RMOVED(moved_list_head)->destination = 0;
RMOVED(moved_list_head)->next = 0;
RMOVED(moved_list)->flags = 0;
RMOVED(moved_list)->destination = 0;
RMOVED(moved_list)->next = 0;
page->free_slots++;
heap_page_add_freeobj(objspace, page, moved_list_head);
heap_page_add_freeobj(objspace, page, moved_list);
if (page->free_slots == page->total_slots && heap_pages_freeable_pages > 0) {
heap_pages_freeable_pages--;
heap_unlink_page(objspace, heap_eden, page);
heap_add_page(objspace, heap_tomb, page);
}
objspace->profile.total_freed_objects++;
moved_list_head = next_moved;
}
heap_eden->free_pages = NULL;
/* Rebuild free_pages linked list */
size_t i;
for (i = 0; i < heap_allocated_pages; ++i) {
struct heap_page *page = heap_pages_sorted[i];
if (page->free_slots > 0) {
page->free_next = heap_eden->free_pages;
heap_eden->free_pages = page;
} else {
} else if (page->free_slots == page->total_slots) {
page->free_next = NULL;
}
objspace->profile.total_freed_objects++;
moved_list = next_moved;
}
heap_eden->using_page = heap_eden->free_pages;
heap_eden->free_pages = heap_eden->free_pages->free_next;
if (use_verifier) {
gc_verify_internal_consistency(objspace);
}