diff mbox series

[v5,3/5] mm: Limit warning message in vmemmap_verify() to once

Message ID 20220614092156.1972846-4-mawupeng1@huawei.com (mailing list archive)
State New
Headers show
Series introduce mirrored memory support for arm64 | expand

Commit Message

mawupeng June 14, 2022, 9:21 a.m. UTC 
From: Ma Wupeng <mawupeng1@huawei.com>

For a system only have limited mirrored memory or some numa node without
mirrored memory, the per node vmemmap page_structs prefer to allocate
memory from mirrored region, which will lead to vmemmap_verify() in
vmemmap_populate_basepages() report lots of warning message.

This patch change the frequency of "potential offnode page_structs" warning
messages to only once to avoid a very long print during bootup.

Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
Acked-by: David Hildenbrand <david@redhat.com>
---
 mm/sparse-vmemmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index f4fa61dbbee3..f34c6889b0a6 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -528,7 +528,7 @@  void __meminit vmemmap_verify(pte_t *pte, int node,
 	int actual_node = early_pfn_to_nid(pfn);
 
 	if (node_distance(actual_node, node) > LOCAL_DISTANCE)
-		pr_warn("[%lx-%lx] potential offnode page_structs\n",
+		pr_warn_once("[%lx-%lx] potential offnode page_structs\n",
 			start, end - 1);
 }