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mm: Limit warning message in vmemmap_verify() to once 

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>
Link: https://lore.kernel.org/r/20220614092156.1972846-4-mawupeng1@huawei.com
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ma Wupeng 2022-06-14 17:21:54 +08:00 committed by Ard Biesheuvel
parent 14d9a675fd
commit abd62377c0
1 changed files with 1 additions and 1 deletions
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2
mm/sparse-vmemmap.c
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@ -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);
}