Lines Matching defs:dup

88  *   write protected memory content, but each "dup" corresponds to a
527 static __always_inline bool is_stable_node_dup(struct ksm_stable_node *dup)
529 	return dup->head == STABLE_NODE_DUP_HEAD;
532 static inline void stable_node_chain_add_dup(struct ksm_stable_node *dup,
535 	VM_BUG_ON(is_stable_node_dup(dup));
536 	dup->head = STABLE_NODE_DUP_HEAD;
538 	hlist_add_head(&dup->hlist_dup, &chain->hlist);
542 static inline void __stable_node_dup_del(struct ksm_stable_node *dup)
544 	VM_BUG_ON(!is_stable_node_dup(dup));
545 	hlist_del(&dup->hlist_dup);
549 static inline void stable_node_dup_del(struct ksm_stable_node *dup)
551 	VM_BUG_ON(is_stable_node_chain(dup));
552 	if (is_stable_node_dup(dup))
553 		__stable_node_dup_del(dup);
555 		rb_erase(&dup->node, root_stable_tree + NUMA(dup->nid));
557 	dup->head = NULL;
780 static struct ksm_stable_node *alloc_stable_node_chain(struct ksm_stable_node *dup,
784 	VM_BUG_ON(is_stable_node_chain(dup));
799 		rb_replace_node(&dup->node, &chain->node, root);
804 		 * dup stable_nodes in the chain->hlist point to pages
808 		stable_node_chain_add_dup(dup, chain);
1032  * page and upping mmap_lock.  Nor does it fit with the way we skip dup'ing
1121 	struct ksm_stable_node *dup;
1132 	hlist_for_each_entry_safe(dup, hlist_safe,
1134 		VM_BUG_ON(!is_stable_node_dup(dup));
1135 		if (remove_stable_node(dup))
1642 	struct ksm_stable_node *dup, *found = NULL, *stable_node = *_stable_node;
1655 	hlist_for_each_entry_safe(dup, hlist_safe,
1664 		 * (that's why we do a _safe walk). The "dup"
1668 		folio = ksm_get_folio(dup, KSM_GET_FOLIO_NOLOCK);
1672 		if (!found || (is_page_sharing_candidate(dup) &&
1674 		     dup->rmap_hlist_len > found_rmap_hlist_len))) {
1677 			found = dup;
1724 			 * If the found stable_node dup can accept one
1735 			 * the position of the found dup in the chain,
1938 	 * stable_node_dup is the dup to replace.
1986 	 * stable_node_dup is the dup to replace.
1997 	 * Add this stable_node dup that was
3187 	struct ksm_stable_node *dup;
3196 	hlist_for_each_entry_safe(dup, hlist_safe,
3198 		VM_BUG_ON(!is_stable_node_dup(dup));
3199 		stable_node_dup_remove_range(dup, start_pfn, end_pfn);