The patch titled
Subject: arch-x86-mm-numa-do-not-initialize-nodes-twice-v2
has been added to the -mm tree. Its filename is
arch-x86-mm-numa-do-not-initialize-nodes-twice-v2.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/arch-x86-mm-numa-do-not-initialize-nodes-twice-v2.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/arch-x86-mm-numa-do-not-initialize-nodes-twice-v2.patch
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------------------------------------------------------
From: Oscar Salvador <osalvador@xxxxxxx>
Subject: arch-x86-mm-numa-do-not-initialize-nodes-twice-v2
add comments
Link: https://lkml.kernel.org/r/20220221142649.3457-1-osalvador@xxxxxxx
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/mm/numa.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
--- a/arch/x86/mm/numa.c~arch-x86-mm-numa-do-not-initialize-nodes-twice-v2
+++ a/arch/x86/mm/numa.c
@@ -755,6 +755,15 @@ void __init init_gi_nodes(void)
{
int nid;
+ /*
+ * Exclude this node from
+ * bringup_nonboot_cpus
+ * cpu_up
+ * __try_online_node
+ * register_one_node
+ * because node_subsys is not initialized yet.
+ * TODO remove dependency on node_online
+ */
for_each_node_state(nid, N_GENERIC_INITIATOR)
if (!node_online(nid))
node_set_online(nid);
@@ -787,6 +796,15 @@ void __init init_cpu_to_node(void)
if (node == NUMA_NO_NODE)
continue;
+ /*
+ * Exclude this node from
+ * bringup_nonboot_cpus
+ * cpu_up
+ * __try_online_node
+ * register_one_node
+ * because node_subsys is not initialized yet.
+ * TODO remove dependency on node_online
+ */
if (!node_online(node))
node_set_online(node);
_
Patches currently in -mm which might be from osalvador@xxxxxxx are
arch-x86-mm-numa-do-not-initialize-nodes-twice.patch
arch-x86-mm-numa-do-not-initialize-nodes-twice-v2.patch
