Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932801AbaFIIbp (ORCPT ); Mon, 9 Jun 2014 04:31:45 -0400 Received: from mga14.intel.com ([192.55.52.115]:35824 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754778AbaFIIRz (ORCPT ); Mon, 9 Jun 2014 04:17:55 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="352319684" From: Jiang Liu To: Benjamin Herrenschmidt , Thomas Gleixner , Grant Likely , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Bjorn Helgaas , Randy Dunlap , Yinghai Lu , x86@kernel.org Cc: Jiang Liu , Konrad Rzeszutek Wilk , Andrew Morton , Tony Luck , Joerg Roedel , Paul Gortmaker , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [Patch V4 05/42] x86, PCI, ACPI: use kmalloc_node() to optimize for performance Date: Mon, 9 Jun 2014 16:19:34 +0800 Message-Id: <1402302011-23642-6-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1402302011-23642-1-git-send-email-jiang.liu@linux.intel.com> References: <1402302011-23642-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use kmalloc_node() instead of kmalloc() when possible to optimize for performance on NUMA platforms. Acked-by: Bjorn Helgaas Acked-by: David Rientjes Signed-off-by: Jiang Liu --- arch/x86/pci/acpi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 01edac6c5e18..91bef49df228 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -448,7 +448,7 @@ static void probe_pci_root_info(struct pci_root_info *info, return; size = sizeof(*info->res) * info->res_num; - info->res = kzalloc(size, GFP_KERNEL); + info->res = kzalloc_node(size, GFP_KERNEL, info->sd.node); if (!info->res) { info->res_num = 0; return; @@ -456,7 +456,7 @@ static void probe_pci_root_info(struct pci_root_info *info, size = sizeof(*info->res_offset) * info->res_num; info->res_num = 0; - info->res_offset = kzalloc(size, GFP_KERNEL); + info->res_offset = kzalloc_node(size, GFP_KERNEL, info->sd.node); if (!info->res_offset) { kfree(info->res); info->res = NULL; @@ -495,7 +495,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) if (node != NUMA_NO_NODE && !node_online(node)) node = NUMA_NO_NODE; - info = kzalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc_node(sizeof(*info), GFP_KERNEL, node); if (!info) { printk(KERN_WARNING "pci_bus %04x:%02x: " "ignored (out of memory)\n", domain, busnum); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/