diff mbox

[2/6] acpi, numa, mem_hotplug: Print Hot-Pluggable Field in SRAT.

Message ID 1376636809-10159-3-git-send-email-tangchen@cn.fujitsu.com (mailing list archive)
State RFC, archived
Headers show

Commit Message

tangchen Aug. 16, 2013, 7:06 a.m. UTC 
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>
---
 arch/x86/mm/srat.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

Comments

Toshi Kani Aug. 19, 2013, 6:48 p.m. UTC | #1 
On Fri, 2013-08-16 at 15:06 +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.
> 
> 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>

Acked-by: Toshi Kani <toshi.kani@hp.com>

Thanks,
-Toshi


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diff mbox

Patch

diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 1613c02..71411aa 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -141,6 +141,7 @@  acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
 	u64 start, end;
 	int node, pxm;
+	u32 hotpluggable;
 
 	if (srat_disabled())
 		goto out_err;
@@ -152,6 +153,8 @@  acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 	start = ma->base_address;
 	end = start + ma->length;
 	pxm = ma->proximity_domain;
+	hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE;
+
 	if (acpi_srat_revision <= 1)
 		pxm &= 0xff;
 
@@ -166,9 +169,10 @@  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: