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mm/page_alloc: don't build vm_numa_stat_key if CONFIG_NUMA=n

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vm_numa_stat_key is only exported if CONFIG_NUMA is set, so avoid the
following warning by guarding it in an #ifdef on CONFIG_NUMA:

mm/page_alloc.c:165:1: warning: symbol 'vm_numa_stat_key' was not declared. Should it be static?

Link: https://lore.kernel.org/20260618100614.1321950-1-ben.dooks@codethink.co.uk
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ben Dooks
2026-06-18 11:06:14 +01:00
committed by Andrew Morton
parent a35d8872da
commit cdea9364e4
1 changed files with 2 additions and 0 deletions
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2
mm/page_alloc.c
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@@ -165,7 +165,9 @@ DEFINE_PER_CPU(int, numa_node);
EXPORT_PER_CPU_SYMBOL(numa_node);
#endif
#ifdef CONFIG_NUMA
DEFINE_STATIC_KEY_TRUE(vm_numa_stat_key);
#endif
#ifdef CONFIG_HAVE_MEMORYLESS_NODES
/*