Commit abd62377 authored by Ma Wupeng's avatar Ma Wupeng Committed by Ard Biesheuvel
Browse files

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: default avatarMa Wupeng <mawupeng1@huawei.com>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20220614092156.1972846-4-mawupeng1@huawei.com


Acked-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
parent 14d9a675

mm/sparse-vmemmap.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

}