diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index b2d44363837a..8254e8f6db6b 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4746,40 +4746,6 @@ follow_huge_pgd(struct mm_struct *mm, unsigned long address, pgd_t *pgd, int fla return pte_page(*(pte_t *)pgd) + ((address & ~PGDIR_MASK) >> PAGE_SHIFT); } -#ifdef CONFIG_MEMORY_FAILURE - -/* - * This function is called from memory failure code. - */ -int dequeue_hwpoisoned_huge_page(struct page *hpage) -{ - struct hstate *h = page_hstate(hpage); - int nid = page_to_nid(hpage); - int ret = -EBUSY; - - spin_lock(&hugetlb_lock); - /* - * Just checking !page_huge_active is not enough, because that could be - * an isolated/hwpoisoned hugepage (which have >0 refcount). - */ - if (!page_huge_active(hpage) && !page_count(hpage)) { - /* - * Hwpoisoned hugepage isn't linked to activelist or freelist, - * but dangling hpage->lru can trigger list-debug warnings - * (this happens when we call unpoison_memory() on it), - * so let it point to itself with list_del_init(). - */ - list_del_init(&hpage->lru); - set_page_refcounted(hpage); - h->free_huge_pages--; - h->free_huge_pages_node[nid]--; - ret = 0; - } - spin_unlock(&hugetlb_lock); - return ret; -} -#endif - bool isolate_huge_page(struct page *page, struct list_head *list) { bool ret = true; |