The patch titled
Subject: mm/memory_hotplug.c: drop node_online check in unregister_mem_sect_under_nodes
has been added to the -mm tree. Its filename is
mm-memory_hotplug-drop-node_online-check-in-unregister_mem_sect_under_nodes.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memory_hotplug-drop-node_online-check-in-unregister_mem_sect_under_nodes.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memory_hotplug-drop-node_online-check-in-unregister_mem_sect_under_nodes.patch
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------------------------------------------------------
From: Oscar Salvador <osalvador@xxxxxxx>
Subject: mm/memory_hotplug.c: drop node_online check in unregister_mem_sect_under_nodes
We are getting the nid from the pages that are not yet removed, but a node
can only be offline when its memory/cpu's have been removed. Therefore,
we know that the node is still online.
Link: http://lkml.kernel.org/r/20180815144219.6014-5-osalvador@xxxxxxxxxxxxxxxxxx
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: <yasu.isimatu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/node.c | 2 --
1 file changed, 2 deletions(-)
--- a/drivers/base/node.c~mm-memory_hotplug-drop-node_online-check-in-unregister_mem_sect_under_nodes
+++ a/drivers/base/node.c
@@ -465,8 +465,6 @@ void unregister_mem_sect_under_nodes(str
if (nid < 0)
continue;
- if (!node_online(nid))
- continue;
/*
* It is possible that NODEMASK_ALLOC fails due to memory
* pressure.
_
Patches currently in -mm which might be from osalvador@xxxxxxx are
mm-memory_hotplug-make-add_memory_resource-use-__try_online_node.patch
mm-memory_hotplug-call-register_mem_sect_under_node.patch
mm-memory_hotplug-make-register_mem_sect_under_node-a-cb-of-walk_memory_range.patch
mm-memory_hotplug-drop-unnecessary-checks-from-register_mem_sect_under_node.patch
mm-sparse-make-sparse_init_one_section-void-and-remove-check.patch
mm-remove-zone_id-and-make-use-of-zone_idx-in-is_dev_zone.patch
mm-page_alloc-move-ifdefery-out-of-free_area_init_core.patch
mm-page_alloc-inline-function-to-handle-config_deferred_struct_page_init.patch
mm-page_alloc-introduce-free_area_init_core_hotplug.patch
mm-page_alloc-introduce-free_area_init_core_hotplug-v6.patch
mm-memory_hotplug-drop-unused-args-from-remove_memory_section.patch
mm-memory_hotplug-drop-unneeded-check-from-unregister_mem_sect_under_nodes.patch
mm-memory_hotplug-refactor-unregister_mem_sect_under_nodes.patch
mm-memory_hotplug-drop-node_online-check-in-unregister_mem_sect_under_nodes.patch
