It maybe trigger some issue when the acpi device driver allocs memory
from an offline node, so use alternative acpi_map_pxm_to_online_node()
to find an online node, let's show infomation about proximity ID, mapped
offline node and the nearest online node returned.
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
drivers/acpi/numa.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 7bbbf8256a41..064c771a7338 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -121,6 +121,9 @@ int acpi_map_pxm_to_online_node(int pxm)
}
}
}
+ if (min_node != node)
+ pr_warn("IORT: PXM %d Mapped to offline node %d, choose nearest online node %d",
+ pxm, node, min_node);
return min_node;
}
--
2.20.1
