linux-kernel - [PATCH] arch/x86/mm/srat: Print non-volatile flag in SRAT

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Message-ID: <20150901162155.GB3418@ljkz400>
Date:	Tue, 1 Sep 2015 12:21:55 -0400
From:	Linda Knippers <linda.knippers@...com>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, tglx@...utronix.de, mingo@...hat.com, hpa@...or.com
Subject: [PATCH] arch/x86/mm/srat: Print non-volatile flag in SRAT


Nobody checks this flag but it would be interesting to know if it's being
set on any platforms.

Signed-off-by: Linda Knippers <linda.knippers@...com>
---
 arch/x86/mm/srat.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 66338a6..c2aea63 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -192,10 +192,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 
 	node_set(node, numa_nodes_parsed);
 
-	pr_info("SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]%s\n",
+	pr_info("SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]%s%s\n",
 		node, pxm,
 		(unsigned long long) start, (unsigned long long) end - 1,
-		hotpluggable ? " hotplug" : "");
+		hotpluggable ? " hotplug" : "",
+		ma->flags & ACPI_SRAT_MEM_NON_VOLATILE ? " non-volatile" : "");
 
 	/* Mark hotplug range in memblock. */
 	if (hotpluggable && memblock_mark_hotplug(start, ma->length))
-- 
1.8.3.1

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