Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759682Ab3HNJjV (ORCPT ); Wed, 14 Aug 2013 05:39:21 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:33677 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1759384Ab3HNJid (ORCPT ); Wed, 14 Aug 2013 05:38:33 -0400 X-IronPort-AV: E=Sophos;i="4.89,876,1367942400"; d="scan'208";a="8200292" From: Tang Chen To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org, liwanp@linux.vnet.ibm.com, tj@kernel.org, zhangyanfei@cn.fujitsu.com, lenb@kernel.org, rjw@sisk.pl Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] acpi: Print Hot-Pluggable Field in SRAT. Date: Wed, 14 Aug 2013 17:37:06 +0800 Message-Id: <1376473028-29380-2-git-send-email-tangchen@cn.fujitsu.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1376473028-29380-1-git-send-email-tangchen@cn.fujitsu.com> References: <1376473028-29380-1-git-send-email-tangchen@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/08/14 17:36:55, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/08/14 17:36:57, Serialize complete at 2013/08/14 17:36:57 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1930 Lines: 56 The Hot-Pluggable field in SRAT suggests if the memory could be hotplugged while the system is running. Print it as well when parsing SRAT will help users to know which memory is hotpluggable. Signed-off-by: Tang Chen Reviewed-by: Wanpeng Li Reviewed-by: Zhang Yanfei Acked-by: Tejun Heo --- arch/x86/mm/srat.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index cdd0da9..266ca91 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", - node, pxm, - (unsigned long long) start, (unsigned long long) end - 1); + pr_info("SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]%s\n", + node, pxm, + (unsigned long long) start, (unsigned long long) end - 1, + hotpluggable ? " hotplug" : ""); 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/