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From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Tang Chen <tangchen@cn.fujitsu.com>
Cc: mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org,
	yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com,
	laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com,
	tj@kernel.org, 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,
	x86@kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v3 02/13] acpi: Print Hot-Pluggable Field in SRAT.
Date: Mon, 3 Jun 2013 08:50:09 +0800	[thread overview]
Message-ID: <20130603005009.GC20478@hacker.(null)> (raw)
In-Reply-To: <1369387762-17865-3-git-send-email-tangchen@cn.fujitsu.com>

On Fri, May 24, 2013 at 05:29:11PM +0800, Tang Chen wrote:
>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.
>

Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>

>Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
>---
> 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
>
>--
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  reply	other threads:[~2013-06-03  0:50 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-24  9:29 [PATCH v3 00/13] Arrange hotpluggable memory in SRAT as ZONE_MOVABLE Tang Chen
2013-05-24  9:29 ` [PATCH v3 01/13] x86: get pg_data_t's memory from other node Tang Chen
2013-06-03  0:31   ` Wanpeng Li
2013-06-03  0:31   ` Wanpeng Li
2013-05-24  9:29 ` [PATCH v3 02/13] acpi: Print Hot-Pluggable Field in SRAT Tang Chen
2013-06-03  0:50   ` Wanpeng Li [this message]
2013-06-03  0:50   ` Wanpeng Li
2013-05-24  9:29 ` [PATCH v3 03/13] page_alloc, mem-hotplug: Improve movablecore to {en|dis}able using SRAT Tang Chen
2013-06-03  0:52   ` Wanpeng Li
2013-06-03  0:52   ` Wanpeng Li
2013-05-24  9:29 ` [PATCH v3 04/13] x86, numa, acpi, memory-hotplug: Introduce hotplug info into struct numa_meminfo Tang Chen
2013-05-24  9:29 ` [PATCH v3 05/13] x86, numa, acpi, memory-hotplug: Consider hotplug info when cleanup numa_meminfo Tang Chen
2013-05-24  9:29 ` [PATCH v3 06/13] memblock, numa: Introduce flag into memblock Tang Chen
2013-06-03  1:30   ` Wanpeng Li
2013-06-03  1:30   ` Wanpeng Li
2013-06-03  1:59     ` Tang Chen
2013-05-24  9:29 ` [PATCH v3 07/13] x86, numa, mem-hotplug: Mark nodes which the kernel resides in Tang Chen
2013-05-31 16:24   ` Vasilis Liaskovitis
2013-06-03  7:35     ` Tang Chen
2013-06-03 13:18       ` Vasilis Liaskovitis
2013-06-06  9:42         ` Tang Chen
2013-05-24  9:29 ` [PATCH v3 08/13] x86, numa: Move memory_add_physaddr_to_nid() to CONFIG_NUMA Tang Chen
2013-05-24  9:29 ` [PATCH v3 09/13] x86, numa, memblock: Introduce MEMBLK_LOCAL_NODE to mark and reserve node-life-cycle data Tang Chen
2013-05-24  9:29 ` [PATCH v3 10/13] x86, acpi, numa, mem-hotplug: Introduce MEMBLK_HOTPLUGGABLE to mark and reserve hotpluggable memory Tang Chen
2013-05-31 16:15   ` Vasilis Liaskovitis
2013-05-24  9:29 ` [PATCH v3 11/13] x86, memblock, mem-hotplug: Free hotpluggable memory reserved by memblock Tang Chen
2013-06-03  2:57   ` Wanpeng Li
2013-06-03  2:57   ` Wanpeng Li
2013-05-24  9:29 ` [PATCH v3 12/13] x86, numa, acpi, memory-hotplug: Make movablecore=acpi have higher priority Tang Chen
2013-06-03  2:59   ` Wanpeng Li
2013-06-03  2:59   ` Wanpeng Li
2013-06-03  7:37     ` Tang Chen
2013-05-24  9:29 ` [PATCH v3 13/13] doc, page_alloc, acpi, mem-hotplug: Add doc for movablecore=acpi boot option Tang Chen

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