Messages in this thread | | | Date | Fri, 19 Jul 2013 13:40:38 +0800 | Subject | Re: [PATCH 7/8] memory-hotplug: enable memory hotplug to handle hugepage | From | Hillf Danton <> |
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On Fri, Jul 19, 2013 at 5:34 AM, Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> 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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