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@xxxxxxxxxxxxxxxxxx>
>Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
>---
> 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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