- if (ret == 0)
- goto done;
-
- /*
- * Page cache page we can handle?
- */
- if (!PageLRU(page)) {
- /*
- * Try to free it.
- */
- put_page(page);
- shake_page(page, 1);
-
- /*
- * Did it turn free?
- */
- ret = get_any_page(page, pfn, 0);
- if (ret < 0)
- return ret;
- if (ret == 0)
- goto done;
- }
- if (!PageLRU(page)) {
- pr_info("soft_offline: %#lx: unknown non LRU page type %lx\n",
- pfn, page->flags);
- return -EIO;
+ if (ret) { /* for in-use pages */
+ if (PageHuge(page))
+ ret = soft_offline_huge_page(page, flags);
+ else
+ ret = __soft_offline_page(page, flags);
+ } else { /* for free pages */
+ if (PageHuge(page)) {
+ set_page_hwpoison_huge_page(hpage);
+ dequeue_hwpoisoned_huge_page(hpage);
+ atomic_long_add(1 << compound_trans_order(hpage),
+ &num_poisoned_pages);
+ } else {
+ SetPageHWPoison(page);
+ atomic_long_inc(&num_poisoned_pages);
+ }