From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754797AbZJBARy (ORCPT ); Thu, 1 Oct 2009 20:17:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754359AbZJBARw (ORCPT ); Thu, 1 Oct 2009 20:17:52 -0400 Received: from mga01.intel.com ([192.55.52.88]:39257 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753712AbZJBARr (ORCPT ); Thu, 1 Oct 2009 20:17:47 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.44,490,1249282800"; d="scan'208";a="732246852" Message-Id: <20091001230744.043037188@sbs-t61.sc.intel.com> User-Agent: quilt/0.47-1 Date: Thu, 01 Oct 2009 16:06:17 -0700 From: Suresh Siddha To: dwmw2@infradead.org Cc: jbarnes@virtuousgeek.org, len.brown@intel.com, linux-kernel@vger.kernel.org, Suresh Siddha Subject: [patch 2/4] dmar: Allocate queued invalidation structure using numa locality info References: <20091001230743.949931468@sbs-t61.sc.intel.com> Content-Disposition: inline; filename=qi_use_affinity_info.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Allocate queued invalidation descriptor structures using numa locality info. Signed-off-by: Suresh Siddha --- drivers/pci/dmar.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) Index: tip/drivers/pci/dmar.c =================================================================== --- tip.orig/drivers/pci/dmar.c +++ tip/drivers/pci/dmar.c @@ -1028,6 +1028,7 @@ static void __dmar_enable_qi(struct inte int dmar_enable_qi(struct intel_iommu *iommu) { struct q_inval *qi; + struct page *desc_page; if (!ecap_qis(iommu->ecap)) return -ENOENT; @@ -1044,13 +1045,16 @@ int dmar_enable_qi(struct intel_iommu *i qi = iommu->qi; - qi->desc = (void *)(get_zeroed_page(GFP_ATOMIC)); - if (!qi->desc) { + + desc_page = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO, 0); + if (!desc_page) { kfree(qi); iommu->qi = 0; return -ENOMEM; } + qi->desc = page_address(desc_page); + qi->desc_status = kmalloc(QI_LENGTH * sizeof(int), GFP_ATOMIC); if (!qi->desc_status) { free_page((unsigned long) qi->desc);