[PATCH v1 2/9] acpi: Print hotplug info in SRAT.

Tang Chen
2013-03-16T11:13:25Z

The Hot Pluggable field in SRAT points out if the memory could be
hotplugged while the system is running. It is useful to print out
this info when parsing SRAT.

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