On Fri, Jul 19, 2013 at 5:34 AM, Naoya Horiguchi
<n-horiguchi@xxxxxxxxxxxxx> wrote:
> @@ -518,9 +519,11 @@ static struct page *dequeue_huge_page_node(struct hstate *h, int nid)
> {
> struct page *page;
>
> - if (list_empty(&h->hugepage_freelists[nid]))
> + list_for_each_entry(page, &h->hugepage_freelists[nid], lru)
> + if (!is_migrate_isolate_page(page))
> + break;
> + if (&h->hugepage_freelists[nid] == &page->lru)
For what is this check?
> return NULL;
> - page = list_entry(h->hugepage_freelists[nid].next, struct page, lru);
> list_move(&page->lru, &h->hugepage_activelist);
> set_page_refcounted(page);
> h->free_huge_pages--;
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