linux-kernel - [PATCH] proc: Supply proc_shrink_automounts when CONFIG_PROC

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Message-ID: <m18wrvv7xj.fsf_-_@frodo.ebiederm.org>
Date:	Fri, 07 Nov 2008 08:04:40 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Al Viro <viro@...IV.linux.org.uk>,
	Linux Containers <containers@...ts.osdl.org>
Subject: [PATCH] proc: Supply proc_shrink_automounts when CONFIG_PROC_FS=N


Alexey Dobriyan <adobriyan@...il.com> writes:

>>  	tracehook_prepare_release_task(p);
>>  	atomic_dec(&p->user->processes);
>> +	proc_shrink_automounts();
>
> This, of course, won't compile when PROC_FS=n.

Which of course leads to this incremental patch.

Oops.  I forgot to account for the rare but possible
case of someone not compiling procfs into their kernel.

Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
---
 include/linux/proc_fs.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 52cc6bd..394593d 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -207,6 +207,9 @@ static inline void proc_net_remove(struct net *net, const char *name) {}
 static inline void proc_flush_task(struct task_struct *task)
 {
 }
+static inline void proc_shrink_automounts(void)
+{
+}
 
 static inline struct proc_dir_entry *create_proc_entry(const char *name,
 	mode_t mode, struct proc_dir_entry *parent) { return NULL; }
-- 
1.5.3.rc6.17.g1911
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