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authorTang Chen <tangchen@cn.fujitsu.com>2013-08-14 11:37:06 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-08-14 23:24:01 +0200
commitd7b2c3d8fb6f53a370696572ef3578a7f8723147 (patch)
tree4fd16b0c73be41d2e209812c31635a98ecbdc49f /arch/x86/mm/srat.c
parentACPI / thermal: Use THERMAL_TRIPS_NONE macro to replace number (diff)
downloadlinux-d7b2c3d8fb6f53a370696572ef3578a7f8723147.tar.xz
linux-d7b2c3d8fb6f53a370696572ef3578a7f8723147.zip
ACPI / x86: 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@cn.fujitsu.com> Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'arch/x86/mm/srat.c')
-rw-r--r--arch/x86/mm/srat.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index cdd0da9dd530..266ca912f62e 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: