linux-kernel - [RFC PATCH linux-next] mm/shmem: vma_needs

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Message-ID: <Ylb0CGeFJlc4EzLk@7ec4ff11d4ae>
Date:   Thu, 14 Apr 2022 00:02:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     kbuild-all@...ts.01.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH linux-next] mm/shmem: vma_needs_copy can be static

mm/memory.c:1238:1: warning: symbol 'vma_needs_copy' was not declared. Should it be static?

Fixes: 729c63ce2bbd ("mm/shmem: handle uffd-wp during fork()")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
---
 mm/memory.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index a426c46dd6f68..92cca76bcd3ee 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1234,7 +1234,7 @@ copy_p4d_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,
  * false when we can speed up fork() by allowing lazy page faults later until
  * when the child accesses the memory range.
  */
-bool
+static bool
 vma_needs_copy(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma)
 {
 	/*