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When allocating new pages, add them to the end of the linked list

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When we allocate new pages, allocate them on the end of the linked list.
Then when we compact we can move things to the head of the list
This commit is contained in:
Aaron Patterson 2020-10-23 16:13:11 -07:00 committed by Aaron Patterson
parent 9e73177d53
commit 51268be7fe
Notes: git 2020-12-03 03:47:36 +09:00 
Merged: https://github.com/ruby/ruby/pull/3814
1 changed files with 2 additions and 2 deletions
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4
gc.c
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@ -1914,7 +1914,7 @@ heap_add_page(rb_objspace_t *objspace, rb_heap_t *heap, struct heap_page *page)
/* Adding to eden heap during incremental sweeping is forbidden */
GC_ASSERT(!(heap == heap_eden && heap->sweeping_page));
page->flags.in_tomb = (heap == heap_tomb);
list_add(&heap->pages, &page->page_node);
list_add_tail(&heap->pages, &page->page_node);
heap->total_pages++;
heap->total_slots += page->total_slots;
}
@ -5036,7 +5036,7 @@ gc_sweep_step(rb_objspace_t *objspace, rb_heap_t *heap)
do {
int free_slots = gc_page_sweep(objspace, heap, sweep_page);
heap->sweeping_page = list_next(&heap->pages, sweep_page, page_node);
heap->sweeping_page = list_next(&heap->pages, sweep_page, page_node);
if (sweep_page->final_slots + free_slots == sweep_page->total_slots &&
heap_pages_freeable_pages > 0 &&