linux-kernel - [PATCH] mm/gup.c: Make follow_page

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Date:   Sat, 11 May 2019 00:38:32 +0530
From:   Bharath Vedartham <linux.bhar@...il.com>
To:     akpm@...ux-foundation.org, jack@...e.cz, keith.busch@...el.com,
        aneesh.kumar@...ux.ibm.com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mm/gup.c: Make follow_page_mask static

follow_page_mask is only used in gup.c, make it static.

Tested by compiling and booting. Grepped the source for
"follow_page_mask" to be sure it is not used else where.

Signed-off-by: Bharath Vedartham <linux.bhar@...il.com>
---
 mm/gup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/gup.c b/mm/gup.c
index 91819b8..e6f3b7f 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -409,7 +409,7 @@ static struct page *follow_p4d_mask(struct vm_area_struct *vma,
  * an error pointer if there is a mapping to something not represented
  * by a page descriptor (see also vm_normal_page()).
  */
-struct page *follow_page_mask(struct vm_area_struct *vma,
+static struct page *follow_page_mask(struct vm_area_struct *vma,
 			      unsigned long address, unsigned int flags,
 			      struct follow_page_context *ctx)
 {
-- 
2.7.4