From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762266Ab3ECADK (ORCPT ); Thu, 2 May 2013 20:03:10 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:40186 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757973Ab3ECADB (ORCPT ); Thu, 2 May 2013 20:03:01 -0400 From: Cody P Schafer To: Linux MM Cc: LKML , Cody P Schafer , Simon Jeons Subject: [RFC PATCH v3 02/31] rbtree: add rbtree_postorder_for_each_entry_safe() helper. Date: Thu, 2 May 2013 17:00:34 -0700 Message-Id: <1367539263-19999-3-git-send-email-cody@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.2.2 In-Reply-To: <1367539263-19999-1-git-send-email-cody@linux.vnet.ibm.com> References: <1367539263-19999-1-git-send-email-cody@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13050300-7606-0000-0000-00000B0CBDCC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Cody P Schafer --- include/linux/rbtree.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index 2879e96..1b239ca 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -85,4 +85,12 @@ static inline void rb_link_node(struct rb_node * node, struct rb_node * parent, *rb_link = node; } +#define rbtree_postorder_for_each_entry_safe(pos, n, root, field) \ + for (pos = rb_entry(rb_first_postorder(root), typeof(*pos), field),\ + n = rb_entry(rb_next_postorder(&pos->field), \ + typeof(*pos), field); \ + &pos->field; \ + pos = n, \ + n = rb_entry(rb_next_postorder(&pos->field), typeof(*pos), field)) + #endif /* _LINUX_RBTREE_H */ -- 1.8.2.2