Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161550Ab3DEJh0 (ORCPT ); Fri, 5 Apr 2013 05:37:26 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:56998 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1161328Ab3DEJhT (ORCPT ); Fri, 5 Apr 2013 05:37:19 -0400 X-IronPort-AV: E=Sophos;i="4.87,413,1363104000"; d="scan'208";a="7001885" From: Tang Chen To: rob@landley.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, yinghai@kernel.org, akpm@linux-foundation.org, wency@cn.fujitsu.com, trenn@suse.de, liwanp@linux.vnet.ibm.com, mgorman@suse.de, walken@google.com, riel@redhat.com, khlebnikov@openvz.org, tj@kernel.org, minchan@kernel.org, m.szyprowski@samsung.com, mina86@mina86.com, laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, linfeng@cn.fujitsu.com, kosaki.motohiro@jp.fujitsu.com, jiang.liu@huawei.com, guz.fnst@cn.fujitsu.com Cc: x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 02/11] acpi: Print hotplug info in SRAT. Date: Fri, 5 Apr 2013 17:39:52 +0800 Message-Id: <1365154801-473-3-git-send-email-tangchen@cn.fujitsu.com> X-Mailer: git-send-email 1.7.10.1 In-Reply-To: <1365154801-473-1-git-send-email-tangchen@cn.fujitsu.com> References: <1365154801-473-1-git-send-email-tangchen@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/04/05 17:36:09, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/04/05 17:36:11, Serialize complete at 2013/04/05 17:36:11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1766 Lines: 52 The Hot Pluggable field in SRAT points out if the memory could be hotplugged while the system is running. It is useful to print out this info when parsing SRAT. Signed-off-by: Tang Chen --- arch/x86/mm/srat.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index 443f9ef..5055fa7 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -146,6 +146,7 @@ int __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { u64 start, end; + u32 hotpluggable; int node, pxm; if (srat_disabled()) @@ -154,7 +155,8 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) goto out_err_bad_srat; if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) goto out_err; - if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) + hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE; + if (hotpluggable && !save_add_info()) goto out_err; start = ma->base_address; @@ -174,9 +176,10 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) node_set(node, numa_nodes_parsed); - printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n", + printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx] %s\n", node, pxm, - (unsigned long long) start, (unsigned long long) end - 1); + (unsigned long long) start, (unsigned long long) end - 1, + hotpluggable ? "Hot Pluggable" : ""); return 0; out_err_bad_srat: -- 1.7.1 -- 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/