From patchwork Tue Mar 31 16:45:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sagi Grimberg X-Patchwork-Id: 6132431 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8B86B9F32E for ; Tue, 31 Mar 2015 16:46:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C0C8120123 for ; Tue, 31 Mar 2015 16:46:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE00F200E3 for ; Tue, 31 Mar 2015 16:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755342AbbCaQqN (ORCPT ); Tue, 31 Mar 2015 12:46:13 -0400 Received: from mailp.voltaire.com ([193.47.165.129]:39656 "EHLO mellanox.co.il" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1755346AbbCaQqK (ORCPT ); Tue, 31 Mar 2015 12:46:10 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from sagig@mellanox.com) with ESMTPS (AES256-SHA encrypted); 31 Mar 2015 19:46:05 +0300 Received: from r-vnc05.mtr.labs.mlnx (r-vnc05.mtr.labs.mlnx [10.208.0.115]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id t2VGk5TO024992; Tue, 31 Mar 2015 19:46:05 +0300 Received: from r-vnc05.mtr.labs.mlnx (localhost [127.0.0.1]) by r-vnc05.mtr.labs.mlnx (8.14.4/8.14.4) with ESMTP id t2VGk4bB015207; Tue, 31 Mar 2015 19:46:04 +0300 Received: (from sagig@localhost) by r-vnc05.mtr.labs.mlnx (8.14.4/8.14.4/Submit) id t2VGk4u5015206; Tue, 31 Mar 2015 19:46:04 +0300 From: Sagi Grimberg To: Roland Dreier Cc: linux-rdma@vger.kernel.org, Or Gerlitz Subject: [PATCH v2 13/18] IB/iser: Make fastreg pool cache friendly Date: Tue, 31 Mar 2015 19:45:53 +0300 Message-Id: <1427820358-15087-14-git-send-email-sagig@mellanox.com> X-Mailer: git-send-email 1.8.4.3 In-Reply-To: <1427820358-15087-1-git-send-email-sagig@mellanox.com> References: <1427820358-15087-1-git-send-email-sagig@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Memory regions are resources that are saved in the device caches. Increase the probability for a cache hit by adding the MRU descriptor to pool head. Signed-off-by: Sagi Grimberg --- drivers/infiniband/ulp/iser/iser_memory.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 17a5d70..45f5120 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -63,7 +63,7 @@ iser_reg_desc_put(struct ib_conn *ib_conn, unsigned long flags; spin_lock_irqsave(&ib_conn->lock, flags); - list_add_tail(&desc->list, &ib_conn->fastreg.pool); + list_add(&desc->list, &ib_conn->fastreg.pool); spin_unlock_irqrestore(&ib_conn->lock, flags); }