linux-kernel - [PATCH] procfs: add conditional compilation check

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Date:	Mon, 29 Feb 2016 16:30:37 +0000
From:	Eric Engestrom <eric.engestrom@...tec.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Kees Cook <keescook@...omium.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Ingo Molnar <mingo@...nel.org>,
	Mateusz Guzik <mguzik@...hat.com>,
	Calvin Owens <calvinowens@...com>,
	Joe Perches <joe@...ches.com>,
	David Howells <dhowells@...hat.com>,
	<linux-kernel@...r.kernel.org>
CC:	Eric Engestrom <eric.engestrom@...tec.com>
Subject: [PATCH] procfs: add conditional compilation check

`proc_timers_operations` is only used when CONFIG_CHECKPOINT_RESTORE
is enabled.

Signed-off-by: Eric Engestrom <eric.engestrom@...tec.com>
---
 fs/proc/base.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 4f764c2..28fc7a3 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2158,6 +2158,7 @@ static const struct file_operations proc_map_files_operations = {
 	.llseek		= default_llseek,
 };
 
+#ifdef CONFIG_CHECKPOINT_RESTORE
 struct timers_private {
 	struct pid *pid;
 	struct task_struct *task;
@@ -2256,6 +2257,7 @@ static const struct file_operations proc_timers_operations = {
 	.llseek		= seq_lseek,
 	.release	= seq_release_private,
 };
+#endif
 
 static int proc_pident_instantiate(struct inode *dir,
 	struct dentry *dentry, struct task_struct *task, const void *ptr)
-- 
2.7.1