linux-kernel - [PATCH] page-flags.h: Fix a missing header include of static

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Message-Id: <20220625080423.2797-1-chenfeiyang@loongson.cn>
Date:   Sat, 25 Jun 2022 16:04:23 +0800
From:   Feiyang Chen <chris.chenfeiyang@...il.com>
To:     akpm@...ux-foundation.org, willy@...radead.org, vbabka@...e.cz,
        songmuchun@...edance.com
Cc:     Feiyang Chen <chenfeiyang@...ngson.cn>, chenhuacai@...nel.org,
        chris.chenfeiyang@...il.com, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: [PATCH] page-flags.h: Fix a missing header include of static_keys.h

The page-flags.h header relies on static keys since commit
a6b40850c442bf ("mm: hugetlb: replace hugetlb_free_vmemmap_enabled
with a static_key"), so make sure to include the header to avoid
compilation errors.

Fixes: a6b40850c442bf ("mm: hugetlb: replace hugetlb_free_vmemmap_enabled with a static_key")
Cc: stable@...r.kernel.org
Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn>
---
 include/linux/page-flags.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index e66f7aa3191d..147b336c7a35 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -11,6 +11,7 @@
 #include <linux/mmdebug.h>
 #ifndef __GENERATING_BOUNDS_H
 #include <linux/mm_types.h>
+#include <linux/static_key.h>
 #include <generated/bounds.h>
 #endif /* !__GENERATING_BOUNDS_H */
 
-- 
2.27.0