Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759787Ab3GSIA5 (ORCPT ); Fri, 19 Jul 2013 04:00:57 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:1854 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752745Ab3GSIAx (ORCPT ); Fri, 19 Jul 2013 04:00:53 -0400 X-IronPort-AV: E=Sophos;i="4.89,699,1367942400"; d="scan'208";a="7947426" From: Tang Chen To: tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com, akpm@linux-foundation.org, tj@kernel.org, trenn@suse.de, yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com, mgorman@suse.de, minchan@kernel.org, mina86@mina86.com, gong.chen@linux.intel.com, vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com, riel@redhat.com, jweiner@redhat.com, prarit@redhat.com, zhangyanfei@cn.fujitsu.com, yanghy@cn.fujitsu.com Cc: x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-acpi@vger.kernel.org Subject: [PATCH 01/21] acpi: Print Hot-Pluggable Field in SRAT. Date: Fri, 19 Jul 2013 15:59:14 +0800 Message-Id: <1374220774-29974-2-git-send-email-tangchen@cn.fujitsu.com> X-Mailer: git-send-email 1.7.10.1 In-Reply-To: <1374220774-29974-1-git-send-email-tangchen@cn.fujitsu.com> References: <1374220774-29974-1-git-send-email-tangchen@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/07/19 15:58:37, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/07/19 15:58:43, Serialize complete at 2013/07/19 15:58:43 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1845 Lines: 54 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 --- 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..15ba3a9 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 ? "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/