Merge "mm: ksm: avoid trageted reclaim of ksm pages"

	if (!stable_node)

		return ret;

	if (rwc->target_vma) {

               unsigned long address = vma_address(page, rwc->target_vma);

               ret = rwc->rmap_one(page, rwc->target_vma, address, rwc->arg);

               goto out;

	}

again:

	hlist_for_each_entry(rmap_item, &stable_node->hlist, hlist) {

		struct anon_vma *anon_vma = rmap_item->anon_vma;