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Date: Tue, 30 Apr 2013 17:21:12 +0800 From: Tang Chen <tangchen@...fujitsu.com> To: mingo@...hat.com, hpa@...or.com, akpm@...ux-foundation.org, yinghai@...nel.org, jiang.liu@...wei.com, wency@...fujitsu.com, isimatu.yasuaki@...fujitsu.com, tj@...nel.org, laijs@...fujitsu.com, davem@...emloft.net, mgorman@...e.de, minchan@...nel.org, mina86@...a86.com Cc: x86@...nel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: [PATCH v2 02/13] acpi: Print Hot-Pluggable Field in SRAT. 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 <tangchen@...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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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