linux-kernel - [PATCH 11/16] mm/page_alloc: make boot

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Date:   Fri, 9 Sep 2022 17:24:46 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <david@...hat.com>, <osalvador@...e.de>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH 11/16] mm/page_alloc: make boot_nodestats static

It's only used in mm/page_alloc.c now. Make it static.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 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