From efb1a57d90cae6af1ddd32f1b920c924a711aba5 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 6 Feb 2018 15:37:24 -0800
Subject: fs/proc: use __ro_after_init

/proc/self inode numbers, value of proc_inode_cache and st_nlink of
/proc/$TGID are fixed constants.

Link: http://lkml.kernel.org/r/20180103184707.GA31849@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'fs/proc/inode.c')

diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 8dacaabb9f37..c5c8e7af5520 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -5,6 +5,7 @@
  *  Copyright (C) 1991, 1992  Linus Torvalds
  */
 
+#include <linux/cache.h>
 #include <linux/time.h>
 #include <linux/proc_fs.h>
 #include <linux/kernel.h>
@@ -52,7 +53,7 @@ static void proc_evict_inode(struct inode *inode)
 	}
 }
 
-static struct kmem_cache * proc_inode_cachep;
+static struct kmem_cache *proc_inode_cachep __ro_after_init;
 
 static struct inode *proc_alloc_inode(struct super_block *sb)
 {
-- 
cgit