linux-kernel - [PATCH] mm/filemap: add static for function __add_to_page_cache

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Date:   Fri,  6 Nov 2020 19:24:55 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mm/filemap: add static for function __add_to_page_cache_locked

Otherwise it cause gcc warning:
          ^~~~~~~~~~~~~~~
../mm/filemap.c:830:14: warning: no previous prototype for
‘__add_to_page_cache_locked’ [-Wmissing-prototypes]
 noinline int __add_to_page_cache_locked(struct page *page,
              ^~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Andrew Morton <akpm@...ux-foundation.org> 
Cc: linux-mm@...ck.org 
Cc: linux-kernel@...r.kernel.org 
---
 mm/filemap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index d90614f501da..249cf489f5df 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -827,7 +827,7 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask)
 }
 EXPORT_SYMBOL_GPL(replace_page_cache_page);
 
-noinline int __add_to_page_cache_locked(struct page *page,
+static noinline int __add_to_page_cache_locked(struct page *page,
 					struct address_space *mapping,
 					pgoff_t offset, gfp_t gfp,
 					void **shadowp)
-- 
1.8.3.1