[merged mm-stable] mm-page_alloc-dont-build-vm_numa_stat_key-if-config_numa=n.patch removed from -mm tree

Andrew Morton <[email protected]> Tue, 28 Jul 2026 21:13:16 -0700
Newsgroups org.kernel.vger.mm-commits
Message-ID <[email protected]>
The quilt patch titled
     Subject: mm/page_alloc: don't build vm_numa_stat_key if CONFIG_NUMA=n
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-dont-build-vm_numa_stat_key-if-config_numa=n.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Ben Dooks <[email protected]>
Subject: mm/page_alloc: don't build vm_numa_stat_key if CONFIG_NUMA=n
Date: Thu, 18 Jun 2026 11:06:14 +0100

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/[email protected]
Signed-off-by: Ben Dooks <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Reviewed-by: SeongJae Park <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 mm/page_alloc.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/mm/page_alloc.c~mm-page_alloc-dont-build-vm_numa_stat_key-if-config_numa=n
+++ a/mm/page_alloc.c
@@ -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
 /*
_

Patches currently in -mm which might be from [email protected] are