It's only used in mm/page_alloc.c now. Make it static.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/internal.h | 2 --
mm/page_alloc.c | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/internal.h b/mm/internal.h
index 2424fcde6538..43a441d35baf 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -864,8 +864,6 @@ int migrate_device_coherent_page(struct page *page);
*/
struct folio *try_grab_folio(struct page *page, int refs, unsigned int flags);
-DECLARE_PER_CPU(struct per_cpu_nodestat, boot_nodestats);
-
extern bool mirrored_kernelcore;
static inline bool vma_soft_dirty_enabled(struct vm_area_struct *vma)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3417232afa45..7a8a6bb08a15 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6571,7 +6571,7 @@ static void per_cpu_pages_init(struct per_cpu_pages *pcp, struct per_cpu_zonesta
#define BOOT_PAGESET_BATCH 1
static DEFINE_PER_CPU(struct per_cpu_pages, boot_pageset);
static DEFINE_PER_CPU(struct per_cpu_zonestat, boot_zonestats);
-DEFINE_PER_CPU(struct per_cpu_nodestat, boot_nodestats);
+static DEFINE_PER_CPU(struct per_cpu_nodestat, boot_nodestats);
static void __build_all_zonelists(void *data)
{
--
2.23.0
