From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932374Ab3CPLNZ (ORCPT ); Sat, 16 Mar 2013 07:13:25 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:57260 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753271Ab3CPLLd (ORCPT ); Sat, 16 Mar 2013 07:11:33 -0400 X-IronPort-AV: E=Sophos;i="4.84,856,1355068800"; d="scan'208";a="6882736" 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, jiang.liu@huawei.com, kosaki.motohiro@jp.fujitsu.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 v1 2/9] acpi: Print hotplug info in SRAT. Date: Sat, 16 Mar 2013 18:35:35 +0800 Message-Id: <1363430142-14563-3-git-send-email-tangchen@cn.fujitsu.com> X-Mailer: git-send-email 1.7.10.1 In-Reply-To: <1363430142-14563-1-git-send-email-tangchen@cn.fujitsu.com> References: <1363430142-14563-1-git-send-email-tangchen@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/16 18:31:48, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/16 18:31:58, Serialize complete at 2013/03/16 18:31:58 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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